Finding the Fourth Proportional to 139,501.96, 192,530.42 and 79,082.44

Step by Step Solution

1. Step 1: Write the proportion equation
   139,501.96 : 192,530.42 = 79,082.44 : x
2. Step 2: Convert to fraction form
   139,501.96/192,530.42 = 79,082.44/x
3. Step 3: Cross multiply
   139,501.96x = 192,530.42 × 79,082.44
4. Step 4: Simplify right side
   139,501.96x = 15,225,775,387.82
5. Step 5: Solve for x
   x = 15,225,775,387.82/139,501.96
6. Step 6: Final answer
   x = 109,143.81