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Finding the Fourth Proportional to 185,776.91, 256,478.40 and 122,299.23

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Solution

The fourth proportional to 185,776.91, 256,478.40 and 122,299.23 is: 168,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,776.91 : 256,478.40 = 122,299.23 : x
  2. Step 2: Convert to fraction form
    185,776.91/256,478.40 = 122,299.23/x
  3. Step 3: Cross multiply
    185,776.91x = 256,478.40 × 122,299.23
  4. Step 4: Simplify right side
    185,776.91x = 31,367,110,831.63
  5. Step 5: Solve for x
    x = 31,367,110,831.63/185,776.91
  6. Step 6: Final answer
    x = 168,842.89

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