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Finding the Fourth Proportional to 185,238.28, 277,633.86 and 85,258.36

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Solution

The fourth proportional to 185,238.28, 277,633.86 and 85,258.36 is: 127,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,238.28 : 277,633.86 = 85,258.36 : x
  2. Step 2: Convert to fraction form
    185,238.28/277,633.86 = 85,258.36/x
  3. Step 3: Cross multiply
    185,238.28x = 277,633.86 × 85,258.36
  4. Step 4: Simplify right side
    185,238.28x = 23,670,607,584.07
  5. Step 5: Solve for x
    x = 23,670,607,584.07/185,238.28
  6. Step 6: Final answer
    x = 127,784.64

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