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Finding the Fourth Proportional to 104,816.40, 157,080.60 and 67,261.20

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Solution

The fourth proportional to 104,816.40, 157,080.60 and 67,261.20 is: 100,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816.40 : 157,080.60 = 67,261.20 : x
  2. Step 2: Convert to fraction form
    104,816.40/157,080.60 = 67,261.20/x
  3. Step 3: Cross multiply
    104,816.40x = 157,080.60 × 67,261.20
  4. Step 4: Simplify right side
    104,816.40x = 10,565,429,652.72
  5. Step 5: Solve for x
    x = 10,565,429,652.72/104,816.40
  6. Step 6: Final answer
    x = 100,799.39

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