Finding the Fourth Proportional to 71,436.62, 98,577.72 and 41,223.20

Step by Step Solution

1. Step 1: Write the proportion equation
   71,436.62 : 98,577.72 = 41,223.20 : x
2. Step 2: Convert to fraction form
   71,436.62/98,577.72 = 41,223.20/x
3. Step 3: Cross multiply
   71,436.62x = 98,577.72 × 41,223.20
4. Step 4: Simplify right side
   71,436.62x = 4,063,689,067.10
5. Step 5: Solve for x
   x = 4,063,689,067.10/71,436.62
6. Step 6: Final answer
   x = 56,885.24