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Finding the Fourth Proportional to 363,990.20, 545,986.60 and 111,269.68

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Solution

The fourth proportional to 363,990.20, 545,986.60 and 111,269.68 is: 166,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,990.20 : 545,986.60 = 111,269.68 : x
  2. Step 2: Convert to fraction form
    363,990.20/545,986.60 = 111,269.68/x
  3. Step 3: Cross multiply
    363,990.20x = 545,986.60 × 111,269.68
  4. Step 4: Simplify right side
    363,990.20x = 60,751,754,266.29
  5. Step 5: Solve for x
    x = 60,751,754,266.29/363,990.20
  6. Step 6: Final answer
    x = 166,904.92

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