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Finding the Fourth Proportional to 8,157.97, 12,239.85 and 5,034.34

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Solution

The fourth proportional to 8,157.97, 12,239.85 and 5,034.34 is: 7,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.97 : 12,239.85 = 5,034.34 : x
  2. Step 2: Convert to fraction form
    8,157.97/12,239.85 = 5,034.34/x
  3. Step 3: Cross multiply
    8,157.97x = 12,239.85 × 5,034.34
  4. Step 4: Simplify right side
    8,157.97x = 61,619,566.45
  5. Step 5: Solve for x
    x = 61,619,566.45/8,157.97
  6. Step 6: Final answer
    x = 7,553.30

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