Finding the Fourth Proportional to 71,074.26, 98,081.81 and 39,243.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,074.26 : 98,081.81 = 39,243.38 : x
2. Step 2: Convert to fraction form
   71,074.26/98,081.81 = 39,243.38/x
3. Step 3: Cross multiply
   71,074.26x = 98,081.81 × 39,243.38
4. Step 4: Simplify right side
   71,074.26x = 3,849,061,740.92
5. Step 5: Solve for x
   x = 3,849,061,740.92/71,074.26
6. Step 6: Final answer
   x = 54,155.50