Finding the Fourth Proportional to 71,152.53, 98,189.69 and 39,321.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,152.53 : 98,189.69 = 39,321.42 : x
2. Step 2: Convert to fraction form
   71,152.53/98,189.69 = 39,321.42/x
3. Step 3: Cross multiply
   71,152.53x = 98,189.69 × 39,321.42
4. Step 4: Simplify right side
   71,152.53x = 3,860,957,843.55
5. Step 5: Solve for x
   x = 3,860,957,843.55/71,152.53
6. Step 6: Final answer
   x = 54,263.11