Finding the Fourth Proportional to 71,865.38, 107,687.17 and 45,514.76

Step by Step Solution

1. Step 1: Write the proportion equation
   71,865.38 : 107,687.17 = 45,514.76 : x
2. Step 2: Convert to fraction form
   71,865.38/107,687.17 = 45,514.76/x
3. Step 3: Cross multiply
   71,865.38x = 107,687.17 × 45,514.76
4. Step 4: Simplify right side
   71,865.38x = 4,901,355,821.83
5. Step 5: Solve for x
   x = 4,901,355,821.83/71,865.38
6. Step 6: Final answer
   x = 68,201.91