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Finding the Fourth Proportional to 268,535.20, 402,457.20 and 205,895.20

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Solution

The fourth proportional to 268,535.20, 402,457.20 and 205,895.20 is: 308,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,535.20 : 402,457.20 = 205,895.20 : x
  2. Step 2: Convert to fraction form
    268,535.20/402,457.20 = 205,895.20/x
  3. Step 3: Cross multiply
    268,535.20x = 402,457.20 × 205,895.20
  4. Step 4: Simplify right side
    268,535.20x = 82,864,005,685.44
  5. Step 5: Solve for x
    x = 82,864,005,685.44/268,535.20
  6. Step 6: Final answer
    x = 308,577.82

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