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Finding the Fourth Proportional to 17,375.91, 23,978.73 and 9,418.08

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Solution

The fourth proportional to 17,375.91, 23,978.73 and 9,418.08 is: 12,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.91 : 23,978.73 = 9,418.08 : x
  2. Step 2: Convert to fraction form
    17,375.91/23,978.73 = 9,418.08/x
  3. Step 3: Cross multiply
    17,375.91x = 23,978.73 × 9,418.08
  4. Step 4: Simplify right side
    17,375.91x = 225,833,597.44
  5. Step 5: Solve for x
    x = 225,833,597.44/17,375.91
  6. Step 6: Final answer
    x = 12,996.94

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