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Finding the Fourth Proportional to 262,691.56, 394,158.30 and 112,977.64

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Solution

The fourth proportional to 262,691.56, 394,158.30 and 112,977.64 is: 169,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,691.56 : 394,158.30 = 112,977.64 : x
  2. Step 2: Convert to fraction form
    262,691.56/394,158.30 = 112,977.64/x
  3. Step 3: Cross multiply
    262,691.56x = 394,158.30 × 112,977.64
  4. Step 4: Simplify right side
    262,691.56x = 44,531,074,520.41
  5. Step 5: Solve for x
    x = 44,531,074,520.41/262,691.56
  6. Step 6: Final answer
    x = 169,518.48

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