Finding the Fourth Proportional to 139,499.24, 192,497.06 and 79,056.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,499.24 : 192,497.06 = 79,056.04 : x
2. Step 2: Convert to fraction form
   139,499.24/192,497.06 = 79,056.04/x
3. Step 3: Cross multiply
   139,499.24x = 192,497.06 × 79,056.04
4. Step 4: Simplify right side
   139,499.24x = 15,218,055,275.24
5. Step 5: Solve for x
   x = 15,218,055,275.24/139,499.24
6. Step 6: Final answer
   x = 109,090.60