Finding the Fourth Proportional to 143,749.50, 198,366.06 and 82,482.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,749.50 : 198,366.06 = 82,482.72 : x
2. Step 2: Convert to fraction form
   143,749.50/198,366.06 = 82,482.72/x
3. Step 3: Cross multiply
   143,749.50x = 198,366.06 × 82,482.72
4. Step 4: Simplify right side
   143,749.50x = 16,361,772,184.48
5. Step 5: Solve for x
   x = 16,361,772,184.48/143,749.50
6. Step 6: Final answer
   x = 113,821.42