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Finding the Fourth Proportional to 13,452.52, 18,563.34 and 7,786.12

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Solution

The fourth proportional to 13,452.52, 18,563.34 and 7,786.12 is: 10,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.52 : 18,563.34 = 7,786.12 : x
  2. Step 2: Convert to fraction form
    13,452.52/18,563.34 = 7,786.12/x
  3. Step 3: Cross multiply
    13,452.52x = 18,563.34 × 7,786.12
  4. Step 4: Simplify right side
    13,452.52x = 144,536,392.84
  5. Step 5: Solve for x
    x = 144,536,392.84/13,452.52
  6. Step 6: Final answer
    x = 10,744.19

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