Finding the Fourth Proportional to 52,617.88, 72,600.72 and 31,393

Step by Step Solution

1. Step 1: Write the proportion equation
   52,617.88 : 72,600.72 = 31,393 : x
2. Step 2: Convert to fraction form
   52,617.88/72,600.72 = 31,393/x
3. Step 3: Cross multiply
   52,617.88x = 72,600.72 × 31,393
4. Step 4: Simplify right side
   52,617.88x = 2,279,154,402.96
5. Step 5: Solve for x
   x = 2,279,154,402.96/52,617.88
6. Step 6: Final answer
   x = 43,315.21