Finding the Fourth Proportional to 113,123.88, 156,093.57 and 65,367.99

Step by Step Solution

1. Step 1: Write the proportion equation
   113,123.88 : 156,093.57 = 65,367.99 : x
2. Step 2: Convert to fraction form
   113,123.88/156,093.57 = 65,367.99/x
3. Step 3: Cross multiply
   113,123.88x = 156,093.57 × 65,367.99
4. Step 4: Simplify right side
   113,123.88x = 10,203,522,922.82
5. Step 5: Solve for x
   x = 10,203,522,922.82/113,123.88
6. Step 6: Final answer
   x = 90,197.78