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Finding the Fourth Proportional to 412,246.40, 618,009.60 and 159,699.20

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Solution

The fourth proportional to 412,246.40, 618,009.60 and 159,699.20 is: 239,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,246.40 : 618,009.60 = 159,699.20 : x
  2. Step 2: Convert to fraction form
    412,246.40/618,009.60 = 159,699.20/x
  3. Step 3: Cross multiply
    412,246.40x = 618,009.60 × 159,699.20
  4. Step 4: Simplify right side
    412,246.40x = 98,695,638,712.32
  5. Step 5: Solve for x
    x = 98,695,638,712.32/412,246.40
  6. Step 6: Final answer
    x = 239,409.34

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