Finding the Fourth Proportional to 139,741.10, 192,846.18 and 76,082.39

Step by Step Solution

1. Step 1: Write the proportion equation
   139,741.10 : 192,846.18 = 76,082.39 : x
2. Step 2: Convert to fraction form
   139,741.10/192,846.18 = 76,082.39/x
3. Step 3: Cross multiply
   139,741.10x = 192,846.18 × 76,082.39
4. Step 4: Simplify right side
   139,741.10x = 14,672,198,321.02
5. Step 5: Solve for x
   x = 14,672,198,321.02/139,741.10
6. Step 6: Final answer
   x = 104,995.58