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Finding the Fourth Proportional to 34,734.88, 52,102.38 and 8,439.64

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Solution

The fourth proportional to 34,734.88, 52,102.38 and 8,439.64 is: 12,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,734.88 : 52,102.38 = 8,439.64 : x
  2. Step 2: Convert to fraction form
    34,734.88/52,102.38 = 8,439.64/x
  3. Step 3: Cross multiply
    34,734.88x = 52,102.38 × 8,439.64
  4. Step 4: Simplify right side
    34,734.88x = 439,725,330.34
  5. Step 5: Solve for x
    x = 439,725,330.34/34,734.88
  6. Step 6: Final answer
    x = 12,659.47

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