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Finding the Fourth Proportional to 8,747.64, 13,112.28 and 2,902.68

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Solution

The fourth proportional to 8,747.64, 13,112.28 and 2,902.68 is: 4,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.64 : 13,112.28 = 2,902.68 : x
  2. Step 2: Convert to fraction form
    8,747.64/13,112.28 = 2,902.68/x
  3. Step 3: Cross multiply
    8,747.64x = 13,112.28 × 2,902.68
  4. Step 4: Simplify right side
    8,747.64x = 38,060,752.91
  5. Step 5: Solve for x
    x = 38,060,752.91/8,747.64
  6. Step 6: Final answer
    x = 4,350.97

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