Finding the Fourth Proportional to 109,155.24, 150,620.76 and 68,853.78

Step by Step Solution

1. Step 1: Write the proportion equation
   109,155.24 : 150,620.76 = 68,853.78 : x
2. Step 2: Convert to fraction form
   109,155.24/150,620.76 = 68,853.78/x
3. Step 3: Cross multiply
   109,155.24x = 150,620.76 × 68,853.78
4. Step 4: Simplify right side
   109,155.24x = 10,370,808,672.47
5. Step 5: Solve for x
   x = 10,370,808,672.47/109,155.24
6. Step 6: Final answer
   x = 95,009.72