Finding the Fourth Proportional to 52,401.97, 72,332.94 and 31,180.78

Step by Step Solution

1. Step 1: Write the proportion equation
   52,401.97 : 72,332.94 = 31,180.78 : x
2. Step 2: Convert to fraction form
   52,401.97/72,332.94 = 31,180.78/x
3. Step 3: Cross multiply
   52,401.97x = 72,332.94 × 31,180.78
4. Step 4: Simplify right side
   52,401.97x = 2,255,397,488.89
5. Step 5: Solve for x
   x = 2,255,397,488.89/52,401.97
6. Step 6: Final answer
   x = 43,040.32