Finding the Fourth Proportional to 113,545.59, 156,685.42 and 68,196.63

Step by Step Solution

1. Step 1: Write the proportion equation
   113,545.59 : 156,685.42 = 68,196.63 : x
2. Step 2: Convert to fraction form
   113,545.59/156,685.42 = 68,196.63/x
3. Step 3: Cross multiply
   113,545.59x = 156,685.42 × 68,196.63
4. Step 4: Simplify right side
   113,545.59x = 10,685,417,614.13
5. Step 5: Solve for x
   x = 10,685,417,614.13/113,545.59
6. Step 6: Final answer
   x = 94,106.85