Finding the Fourth Proportional to 113,729.82, 156,896.42 and 65,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,729.82 : 156,896.42 = 65,955.50 : x
2. Step 2: Convert to fraction form
   113,729.82/156,896.42 = 65,955.50/x
3. Step 3: Cross multiply
   113,729.82x = 156,896.42 × 65,955.50
4. Step 4: Simplify right side
   113,729.82x = 10,348,180,715.05
5. Step 5: Solve for x
   x = 10,348,180,715.05/113,729.82
6. Step 6: Final answer
   x = 90,989.16