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Finding the Fourth Proportional to 14,872.88, 22,320.12 and 11,986.04

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Solution

The fourth proportional to 14,872.88, 22,320.12 and 11,986.04 is: 17,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.88 : 22,320.12 = 11,986.04 : x
  2. Step 2: Convert to fraction form
    14,872.88/22,320.12 = 11,986.04/x
  3. Step 3: Cross multiply
    14,872.88x = 22,320.12 × 11,986.04
  4. Step 4: Simplify right side
    14,872.88x = 267,529,951.87
  5. Step 5: Solve for x
    x = 267,529,951.87/14,872.88
  6. Step 6: Final answer
    x = 17,987.77

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