Finding the Fourth Proportional to 71,634.54, 98,830.41 and 40,985.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,634.54 : 98,830.41 = 40,985.25 : x
2. Step 2: Convert to fraction form
   71,634.54/98,830.41 = 40,985.25/x
3. Step 3: Cross multiply
   71,634.54x = 98,830.41 × 40,985.25
4. Step 4: Simplify right side
   71,634.54x = 4,050,589,061.45
5. Step 5: Solve for x
   x = 4,050,589,061.45/71,634.54
6. Step 6: Final answer
   x = 56,545.20