Finding the Fourth Proportional to 52,140.09, 71,947.94 and 31,997.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,140.09 : 71,947.94 = 31,997.82 : x
2. Step 2: Convert to fraction form
   52,140.09/71,947.94 = 31,997.82/x
3. Step 3: Cross multiply
   52,140.09x = 71,947.94 × 31,997.82
4. Step 4: Simplify right side
   52,140.09x = 2,302,177,233.49
5. Step 5: Solve for x
   x = 2,302,177,233.49/52,140.09
6. Step 6: Final answer
   x = 44,153.69