Finding the Fourth Proportional to 144,915.72, 199,773.72 and 101,763.78

Step by Step Solution

1. Step 1: Write the proportion equation
   144,915.72 : 199,773.72 = 101,763.78 : x
2. Step 2: Convert to fraction form
   144,915.72/199,773.72 = 101,763.78/x
3. Step 3: Cross multiply
   144,915.72x = 199,773.72 × 101,763.78
4. Step 4: Simplify right side
   144,915.72x = 20,329,728,891.86
5. Step 5: Solve for x
   x = 20,329,728,891.86/144,915.72
6. Step 6: Final answer
   x = 140,286.57