Finding the Fourth Proportional to 123,846.96, 170,912.16 and 72,863.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,846.96 : 170,912.16 = 72,863.04 : x
2. Step 2: Convert to fraction form
   123,846.96/170,912.16 = 72,863.04/x
3. Step 3: Cross multiply
   123,846.96x = 170,912.16 × 72,863.04
4. Step 4: Simplify right side
   123,846.96x = 12,453,179,550.57
5. Step 5: Solve for x
   x = 12,453,179,550.57/123,846.96
6. Step 6: Final answer
   x = 100,552.97