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Finding the Fourth Proportional to 206,568.48, 285,037.08 and 115,920.96

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Solution

The fourth proportional to 206,568.48, 285,037.08 and 115,920.96 is: 159,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,568.48 : 285,037.08 = 115,920.96 : x
  2. Step 2: Convert to fraction form
    206,568.48/285,037.08 = 115,920.96/x
  3. Step 3: Cross multiply
    206,568.48x = 285,037.08 × 115,920.96
  4. Step 4: Simplify right side
    206,568.48x = 33,041,771,949.20
  5. Step 5: Solve for x
    x = 33,041,771,949.20/206,568.48
  6. Step 6: Final answer
    x = 159,955.54

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