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Finding the Fourth Proportional to 10,534.56, 15,768.96 and 7,764.36

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Solution

The fourth proportional to 10,534.56, 15,768.96 and 7,764.36 is: 11,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.56 : 15,768.96 = 7,764.36 : x
  2. Step 2: Convert to fraction form
    10,534.56/15,768.96 = 7,764.36/x
  3. Step 3: Cross multiply
    10,534.56x = 15,768.96 × 7,764.36
  4. Step 4: Simplify right side
    10,534.56x = 122,435,882.27
  5. Step 5: Solve for x
    x = 122,435,882.27/10,534.56
  6. Step 6: Final answer
    x = 11,622.31

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