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Finding the Fourth Proportional to 8,658.23, 12,996.53 and 7,034.38

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Solution

The fourth proportional to 8,658.23, 12,996.53 and 7,034.38 is: 10,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.23 : 12,996.53 = 7,034.38 : x
  2. Step 2: Convert to fraction form
    8,658.23/12,996.53 = 7,034.38/x
  3. Step 3: Cross multiply
    8,658.23x = 12,996.53 × 7,034.38
  4. Step 4: Simplify right side
    8,658.23x = 91,422,563.19
  5. Step 5: Solve for x
    x = 91,422,563.19/8,658.23
  6. Step 6: Final answer
    x = 10,559.04

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