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Finding the Fourth Proportional to 123,726.51, 185,587.47 and 39,486

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Solution

The fourth proportional to 123,726.51, 185,587.47 and 39,486 is: 59,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,726.51 : 185,587.47 = 39,486 : x
  2. Step 2: Convert to fraction form
    123,726.51/185,587.47 = 39,486/x
  3. Step 3: Cross multiply
    123,726.51x = 185,587.47 × 39,486
  4. Step 4: Simplify right side
    123,726.51x = 7,328,106,840.42
  5. Step 5: Solve for x
    x = 7,328,106,840.42/123,726.51
  6. Step 6: Final answer
    x = 59,228.27

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