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Finding the Fourth Proportional to 404,640.66, 558,404.15 and 223,352.64

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Solution

The fourth proportional to 404,640.66, 558,404.15 and 223,352.64 is: 308,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,640.66 : 558,404.15 = 223,352.64 : x
  2. Step 2: Convert to fraction form
    404,640.66/558,404.15 = 223,352.64/x
  3. Step 3: Cross multiply
    404,640.66x = 558,404.15 × 223,352.64
  4. Step 4: Simplify right side
    404,640.66x = 124,721,039,972.69
  5. Step 5: Solve for x
    x = 124,721,039,972.69/404,640.66
  6. Step 6: Final answer
    x = 308,226.66

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