Finding the Fourth Proportional to 144,425.18, 199,312.18 and 80,762.82

Step by Step Solution

1. Step 1: Write the proportion equation
   144,425.18 : 199,312.18 = 80,762.82 : x
2. Step 2: Convert to fraction form
   144,425.18/199,312.18 = 80,762.82/x
3. Step 3: Cross multiply
   144,425.18x = 199,312.18 × 80,762.82
4. Step 4: Simplify right side
   144,425.18x = 16,097,013,717.15
5. Step 5: Solve for x
   x = 16,097,013,717.15/144,425.18
6. Step 6: Final answer
   x = 111,455.73