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Finding the Fourth Proportional to 14,982.80, 22,474.20 and 12,358.40

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Solution

The fourth proportional to 14,982.80, 22,474.20 and 12,358.40 is: 18,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.80 : 22,474.20 = 12,358.40 : x
  2. Step 2: Convert to fraction form
    14,982.80/22,474.20 = 12,358.40/x
  3. Step 3: Cross multiply
    14,982.80x = 22,474.20 × 12,358.40
  4. Step 4: Simplify right side
    14,982.80x = 277,745,153.28
  5. Step 5: Solve for x
    x = 277,745,153.28/14,982.80
  6. Step 6: Final answer
    x = 18,537.60

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