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Finding the Fourth Proportional to 44,645.94, 66,971.31 and 13,480.38

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Solution

The fourth proportional to 44,645.94, 66,971.31 and 13,480.38 is: 20,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,645.94 : 66,971.31 = 13,480.38 : x
  2. Step 2: Convert to fraction form
    44,645.94/66,971.31 = 13,480.38/x
  3. Step 3: Cross multiply
    44,645.94x = 66,971.31 × 13,480.38
  4. Step 4: Simplify right side
    44,645.94x = 902,798,707.90
  5. Step 5: Solve for x
    x = 902,798,707.90/44,645.94
  6. Step 6: Final answer
    x = 20,221.29

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