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Finding the Fourth Proportional to 11,654.11, 17,481.90 and 4,257.61

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Solution

The fourth proportional to 11,654.11, 17,481.90 and 4,257.61 is: 6,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.11 : 17,481.90 = 4,257.61 : x
  2. Step 2: Convert to fraction form
    11,654.11/17,481.90 = 4,257.61/x
  3. Step 3: Cross multiply
    11,654.11x = 17,481.90 × 4,257.61
  4. Step 4: Simplify right side
    11,654.11x = 74,431,112.26
  5. Step 5: Solve for x
    x = 74,431,112.26/11,654.11
  6. Step 6: Final answer
    x = 6,386.68

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