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Finding the Fourth Proportional to 266,849.76, 400,302.58 and 86,949.16

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Solution

The fourth proportional to 266,849.76, 400,302.58 and 86,949.16 is: 130,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,849.76 : 400,302.58 = 86,949.16 : x
  2. Step 2: Convert to fraction form
    266,849.76/400,302.58 = 86,949.16/x
  3. Step 3: Cross multiply
    266,849.76x = 400,302.58 × 86,949.16
  4. Step 4: Simplify right side
    266,849.76x = 34,805,973,076.83
  5. Step 5: Solve for x
    x = 34,805,973,076.83/266,849.76
  6. Step 6: Final answer
    x = 130,432.84

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