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Finding the Fourth Proportional to 412,891.40, 619,355.10 and 113,364.20

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Solution

The fourth proportional to 412,891.40, 619,355.10 and 113,364.20 is: 170,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,891.40 : 619,355.10 = 113,364.20 : x
  2. Step 2: Convert to fraction form
    412,891.40/619,355.10 = 113,364.20/x
  3. Step 3: Cross multiply
    412,891.40x = 619,355.10 × 113,364.20
  4. Step 4: Simplify right side
    412,891.40x = 70,212,695,427.42
  5. Step 5: Solve for x
    x = 70,212,695,427.42/412,891.40
  6. Step 6: Final answer
    x = 170,051.24

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