Finding the Fourth Proportional to 113,545.11, 156,684.69 and 65,789.94

Step by Step Solution

1. Step 1: Write the proportion equation
   113,545.11 : 156,684.69 = 65,789.94 : x
2. Step 2: Convert to fraction form
   113,545.11/156,684.69 = 65,789.94/x
3. Step 3: Cross multiply
   113,545.11x = 156,684.69 × 65,789.94
4. Step 4: Simplify right side
   113,545.11x = 10,308,276,354.02
5. Step 5: Solve for x
   x = 10,308,276,354.02/113,545.11
6. Step 6: Final answer
   x = 90,785.74