Finding the Fourth Proportional to 249,003.50, 373,508.49 and 82,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,003.50 : 373,508.49 = 82,791.50 : x
2. Step 2: Convert to fraction form
   249,003.50/373,508.49 = 82,791.50/x
3. Step 3: Cross multiply
   249,003.50x = 373,508.49 × 82,791.50
4. Step 4: Simplify right side
   249,003.50x = 30,923,328,149.84
5. Step 5: Solve for x
   x = 30,923,328,149.84/249,003.50
6. Step 6: Final answer
   x = 124,188.33