Finding the Fourth Proportional to 139,336.02, 209,086.92 and 96,674.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,336.02 : 209,086.92 = 96,674.94 : x
2. Step 2: Convert to fraction form
   139,336.02/209,086.92 = 96,674.94/x
3. Step 3: Cross multiply
   139,336.02x = 209,086.92 × 96,674.94
4. Step 4: Simplify right side
   139,336.02x = 20,213,465,445.78
5. Step 5: Solve for x
   x = 20,213,465,445.78/139,336.02
6. Step 6: Final answer
   x = 145,069.92