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Finding the Fourth Proportional to 17,865.44, 24,654.96 and 13,381.28

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Solution

The fourth proportional to 17,865.44, 24,654.96 and 13,381.28 is: 18,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.44 : 24,654.96 = 13,381.28 : x
  2. Step 2: Convert to fraction form
    17,865.44/24,654.96 = 13,381.28/x
  3. Step 3: Cross multiply
    17,865.44x = 24,654.96 × 13,381.28
  4. Step 4: Simplify right side
    17,865.44x = 329,914,923.15
  5. Step 5: Solve for x
    x = 329,914,923.15/17,865.44
  6. Step 6: Final answer
    x = 18,466.66

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