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Finding the Fourth Proportional to 17,375.88, 23,978.66 and 9,418.04

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Solution

The fourth proportional to 17,375.88, 23,978.66 and 9,418.04 is: 12,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.88 : 23,978.66 = 9,418.04 : x
  2. Step 2: Convert to fraction form
    17,375.88/23,978.66 = 9,418.04/x
  3. Step 3: Cross multiply
    17,375.88x = 23,978.66 × 9,418.04
  4. Step 4: Simplify right side
    17,375.88x = 225,831,812.04
  5. Step 5: Solve for x
    x = 225,831,812.04/17,375.88
  6. Step 6: Final answer
    x = 12,996.86

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