Finding the Fourth Proportional to 113,198.25, 156,049.02 and 79,100.87

Step by Step Solution

1. Step 1: Write the proportion equation
   113,198.25 : 156,049.02 = 79,100.87 : x
2. Step 2: Convert to fraction form
   113,198.25/156,049.02 = 79,100.87/x
3. Step 3: Cross multiply
   113,198.25x = 156,049.02 × 79,100.87
4. Step 4: Simplify right side
   113,198.25x = 12,343,612,572.61
5. Step 5: Solve for x
   x = 12,343,612,572.61/113,198.25
6. Step 6: Final answer
   x = 109,044.20