Finding the Fourth Proportional to 139,744.72, 192,847.71 and 76,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,744.72 : 192,847.71 = 76,082.50 : x
2. Step 2: Convert to fraction form
   139,744.72/192,847.71 = 76,082.50/x
3. Step 3: Cross multiply
   139,744.72x = 192,847.71 × 76,082.50
4. Step 4: Simplify right side
   139,744.72x = 14,672,335,896.08
5. Step 5: Solve for x
   x = 14,672,335,896.08/139,744.72
6. Step 6: Final answer
   x = 104,993.85