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Finding the Fourth Proportional to 366,965.40, 550,448.10 and 247,391.18

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Solution

The fourth proportional to 366,965.40, 550,448.10 and 247,391.18 is: 371,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.40 : 550,448.10 = 247,391.18 : x
  2. Step 2: Convert to fraction form
    366,965.40/550,448.10 = 247,391.18/x
  3. Step 3: Cross multiply
    366,965.40x = 550,448.10 × 247,391.18
  4. Step 4: Simplify right side
    366,965.40x = 136,176,002,235.52
  5. Step 5: Solve for x
    x = 136,176,002,235.52/366,965.40
  6. Step 6: Final answer
    x = 371,086.76

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