Finding the Fourth Proportional to 139,534.82, 192,553.98 and 79,111.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,534.82 : 192,553.98 = 79,111.04 : x
2. Step 2: Convert to fraction form
   139,534.82/192,553.98 = 79,111.04/x
3. Step 3: Cross multiply
   139,534.82x = 192,553.98 × 79,111.04
4. Step 4: Simplify right side
   139,534.82x = 15,233,145,613.94
5. Step 5: Solve for x
   x = 15,233,145,613.94/139,534.82
6. Step 6: Final answer
   x = 109,170.93