Finding the Fourth Proportional to 71,392.51, 98,522.49 and 39,561.94

Step by Step Solution

1. Step 1: Write the proportion equation
   71,392.51 : 98,522.49 = 39,561.94 : x
2. Step 2: Convert to fraction form
   71,392.51/98,522.49 = 39,561.94/x
3. Step 3: Cross multiply
   71,392.51x = 98,522.49 × 39,561.94
4. Step 4: Simplify right side
   71,392.51x = 3,897,740,838.03
5. Step 5: Solve for x
   x = 3,897,740,838.03/71,392.51
6. Step 6: Final answer
   x = 54,595.94