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Finding the Fourth Proportional to 8,682.87, 13,024.26 and 2,109.09

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Solution

The fourth proportional to 8,682.87, 13,024.26 and 2,109.09 is: 3,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.87 : 13,024.26 = 2,109.09 : x
  2. Step 2: Convert to fraction form
    8,682.87/13,024.26 = 2,109.09/x
  3. Step 3: Cross multiply
    8,682.87x = 13,024.26 × 2,109.09
  4. Step 4: Simplify right side
    8,682.87x = 27,469,336.52
  5. Step 5: Solve for x
    x = 27,469,336.52/8,682.87
  6. Step 6: Final answer
    x = 3,163.62

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