Finding the Fourth Proportional to 113,047.22, 156,006.20 and 65,299.48

Step by Step Solution

1. Step 1: Write the proportion equation
   113,047.22 : 156,006.20 = 65,299.48 : x
2. Step 2: Convert to fraction form
   113,047.22/156,006.20 = 65,299.48/x
3. Step 3: Cross multiply
   113,047.22x = 156,006.20 × 65,299.48
4. Step 4: Simplify right side
   113,047.22x = 10,187,123,736.78
5. Step 5: Solve for x
   x = 10,187,123,736.78/113,047.22
6. Step 6: Final answer
   x = 90,113.88