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Finding the Fourth Proportional to 263,840.52, 395,482.14 and 86,300.04

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Solution

The fourth proportional to 263,840.52, 395,482.14 and 86,300.04 is: 129,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,840.52 : 395,482.14 = 86,300.04 : x
  2. Step 2: Convert to fraction form
    263,840.52/395,482.14 = 86,300.04/x
  3. Step 3: Cross multiply
    263,840.52x = 395,482.14 × 86,300.04
  4. Step 4: Simplify right side
    263,840.52x = 34,130,124,501.29
  5. Step 5: Solve for x
    x = 34,130,124,501.29/263,840.52
  6. Step 6: Final answer
    x = 129,358.92

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