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Finding the Fourth Proportional to 236,687.32, 354,954.30 and 78,873.40

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Solution

The fourth proportional to 236,687.32, 354,954.30 and 78,873.40 is: 118,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,687.32 : 354,954.30 = 78,873.40 : x
  2. Step 2: Convert to fraction form
    236,687.32/354,954.30 = 78,873.40/x
  3. Step 3: Cross multiply
    236,687.32x = 354,954.30 × 78,873.40
  4. Step 4: Simplify right side
    236,687.32x = 27,996,452,485.62
  5. Step 5: Solve for x
    x = 27,996,452,485.62/236,687.32
  6. Step 6: Final answer
    x = 118,284.55

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