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Finding the Fourth Proportional to 10,883.63, 16,344.86 and 8,913.04

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Solution

The fourth proportional to 10,883.63, 16,344.86 and 8,913.04 is: 13,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.63 : 16,344.86 = 8,913.04 : x
  2. Step 2: Convert to fraction form
    10,883.63/16,344.86 = 8,913.04/x
  3. Step 3: Cross multiply
    10,883.63x = 16,344.86 × 8,913.04
  4. Step 4: Simplify right side
    10,883.63x = 145,682,305.55
  5. Step 5: Solve for x
    x = 145,682,305.55/10,883.63
  6. Step 6: Final answer
    x = 13,385.45

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