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Finding the Fourth Proportional to 73,049.28, 109,578.80 and 25,658.64

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Solution

The fourth proportional to 73,049.28, 109,578.80 and 25,658.64 is: 38,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,049.28 : 109,578.80 = 25,658.64 : x
  2. Step 2: Convert to fraction form
    73,049.28/109,578.80 = 25,658.64/x
  3. Step 3: Cross multiply
    73,049.28x = 109,578.80 × 25,658.64
  4. Step 4: Simplify right side
    73,049.28x = 2,811,642,980.83
  5. Step 5: Solve for x
    x = 2,811,642,980.83/73,049.28
  6. Step 6: Final answer
    x = 38,489.67

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