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Finding the Fourth Proportional to 57,701.10, 86,624.55 and 31,068.30

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Solution

The fourth proportional to 57,701.10, 86,624.55 and 31,068.30 is: 46,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.10 : 86,624.55 = 31,068.30 : x
  2. Step 2: Convert to fraction form
    57,701.10/86,624.55 = 31,068.30/x
  3. Step 3: Cross multiply
    57,701.10x = 86,624.55 × 31,068.30
  4. Step 4: Simplify right side
    57,701.10x = 2,691,277,506.77
  5. Step 5: Solve for x
    x = 2,691,277,506.77/57,701.10
  6. Step 6: Final answer
    x = 46,641.70

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