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Finding the Fourth Proportional to 8,788.12, 12,125.96 and 5,957.78

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Solution

The fourth proportional to 8,788.12, 12,125.96 and 5,957.78 is: 8,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.12 : 12,125.96 = 5,957.78 : x
  2. Step 2: Convert to fraction form
    8,788.12/12,125.96 = 5,957.78/x
  3. Step 3: Cross multiply
    8,788.12x = 12,125.96 × 5,957.78
  4. Step 4: Simplify right side
    8,788.12x = 72,243,801.97
  5. Step 5: Solve for x
    x = 72,243,801.97/8,788.12
  6. Step 6: Final answer
    x = 8,220.62

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