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Finding the Fourth Proportional to 62,931.13, 86,847.01 and 36,078.71

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Solution

The fourth proportional to 62,931.13, 86,847.01 and 36,078.71 is: 49,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931.13 : 86,847.01 = 36,078.71 : x
  2. Step 2: Convert to fraction form
    62,931.13/86,847.01 = 36,078.71/x
  3. Step 3: Cross multiply
    62,931.13x = 86,847.01 × 36,078.71
  4. Step 4: Simplify right side
    62,931.13x = 3,133,327,563.73
  5. Step 5: Solve for x
    x = 3,133,327,563.73/62,931.13
  6. Step 6: Final answer
    x = 49,789.79

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