Finding the Fourth Proportional to 71,531.72, 107,227.98 and 34,081.80

Step by Step Solution

1. Step 1: Write the proportion equation
   71,531.72 : 107,227.98 = 34,081.80 : x
2. Step 2: Convert to fraction form
   71,531.72/107,227.98 = 34,081.80/x
3. Step 3: Cross multiply
   71,531.72x = 107,227.98 × 34,081.80
4. Step 4: Simplify right side
   71,531.72x = 3,654,522,568.76
5. Step 5: Solve for x
   x = 3,654,522,568.76/71,531.72
6. Step 6: Final answer
   x = 51,089.54