Finding the Fourth Proportional to 144,307.71, 199,141.34 and 80,651.43

Step by Step Solution

1. Step 1: Write the proportion equation
   144,307.71 : 199,141.34 = 80,651.43 : x
2. Step 2: Convert to fraction form
   144,307.71/199,141.34 = 80,651.43/x
3. Step 3: Cross multiply
   144,307.71x = 199,141.34 × 80,651.43
4. Step 4: Simplify right side
   144,307.71x = 16,061,033,439.86
5. Step 5: Solve for x
   x = 16,061,033,439.86/144,307.71
6. Step 6: Final answer
   x = 111,297.13