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Finding the Fourth Proportional to 14,608.80, 21,880.80 and 5,839.20

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Solution

The fourth proportional to 14,608.80, 21,880.80 and 5,839.20 is: 8,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.80 : 21,880.80 = 5,839.20 : x
  2. Step 2: Convert to fraction form
    14,608.80/21,880.80 = 5,839.20/x
  3. Step 3: Cross multiply
    14,608.80x = 21,880.80 × 5,839.20
  4. Step 4: Simplify right side
    14,608.80x = 127,766,367.36
  5. Step 5: Solve for x
    x = 127,766,367.36/14,608.80
  6. Step 6: Final answer
    x = 8,745.85

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