Finding the Fourth Proportional to 139,498.24, 192,495.68 and 79,055.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,498.24 : 192,495.68 = 79,055.04 : x
2. Step 2: Convert to fraction form
   139,498.24/192,495.68 = 79,055.04/x
3. Step 3: Cross multiply
   139,498.24x = 192,495.68 × 79,055.04
4. Step 4: Simplify right side
   139,498.24x = 15,217,753,682.23
5. Step 5: Solve for x
   x = 15,217,753,682.23/139,498.24
6. Step 6: Final answer
   x = 109,089.22