Finding the Fourth Proportional to 143,641.94, 198,192.83 and 82,359.77

Step by Step Solution

1. Step 1: Write the proportion equation
   143,641.94 : 198,192.83 = 82,359.77 : x
2. Step 2: Convert to fraction form
   143,641.94/198,192.83 = 82,359.77/x
3. Step 3: Cross multiply
   143,641.94x = 198,192.83 × 82,359.77
4. Step 4: Simplify right side
   143,641.94x = 16,323,114,491.69
5. Step 5: Solve for x
   x = 16,323,114,491.69/143,641.94
6. Step 6: Final answer
   x = 113,637.53