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Finding the Fourth Proportional to 123,485.56, 185,228.34 and 29,990.68

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Solution

The fourth proportional to 123,485.56, 185,228.34 and 29,990.68 is: 44,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,485.56 : 185,228.34 = 29,990.68 : x
  2. Step 2: Convert to fraction form
    123,485.56/185,228.34 = 29,990.68/x
  3. Step 3: Cross multiply
    123,485.56x = 185,228.34 × 29,990.68
  4. Step 4: Simplify right side
    123,485.56x = 5,555,123,871.87
  5. Step 5: Solve for x
    x = 5,555,123,871.87/123,485.56
  6. Step 6: Final answer
    x = 44,986.02

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