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Finding the Fourth Proportional to 404,718.57, 558,496.95 and 223,426.59

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Solution

The fourth proportional to 404,718.57, 558,496.95 and 223,426.59 is: 308,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,718.57 : 558,496.95 = 223,426.59 : x
  2. Step 2: Convert to fraction form
    404,718.57/558,496.95 = 223,426.59/x
  3. Step 3: Cross multiply
    404,718.57x = 558,496.95 × 223,426.59
  4. Step 4: Simplify right side
    404,718.57x = 124,783,069,063.90
  5. Step 5: Solve for x
    x = 124,783,069,063.90/404,718.57
  6. Step 6: Final answer
    x = 308,320.59

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