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Finding the Fourth Proportional to 156,467.72, 215,928.90 and 92,782.28

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Solution

The fourth proportional to 156,467.72, 215,928.90 and 92,782.28 is: 128,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,467.72 : 215,928.90 = 92,782.28 : x
  2. Step 2: Convert to fraction form
    156,467.72/215,928.90 = 92,782.28/x
  3. Step 3: Cross multiply
    156,467.72x = 215,928.90 × 92,782.28
  4. Step 4: Simplify right side
    156,467.72x = 20,034,375,659.89
  5. Step 5: Solve for x
    x = 20,034,375,659.89/156,467.72
  6. Step 6: Final answer
    x = 128,041.59

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