Finding the Fourth Proportional to 52,718.37, 72,744.17 and 31,493.13

Step by Step Solution

1. Step 1: Write the proportion equation
   52,718.37 : 72,744.17 = 31,493.13 : x
2. Step 2: Convert to fraction form
   52,718.37/72,744.17 = 31,493.13/x
3. Step 3: Cross multiply
   52,718.37x = 72,744.17 × 31,493.13
4. Step 4: Simplify right side
   52,718.37x = 2,290,941,602.55
5. Step 5: Solve for x
   x = 2,290,941,602.55/52,718.37
6. Step 6: Final answer
   x = 43,456.23