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Finding the Fourth Proportional to 83,948.68, 115,857.36 and 62,691.04

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Solution

The fourth proportional to 83,948.68, 115,857.36 and 62,691.04 is: 86,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,948.68 : 115,857.36 = 62,691.04 : x
  2. Step 2: Convert to fraction form
    83,948.68/115,857.36 = 62,691.04/x
  3. Step 3: Cross multiply
    83,948.68x = 115,857.36 × 62,691.04
  4. Step 4: Simplify right side
    83,948.68x = 7,263,218,076.60
  5. Step 5: Solve for x
    x = 7,263,218,076.60/83,948.68
  6. Step 6: Final answer
    x = 86,519.74

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