Finding the Fourth Proportional to 52,539, 72,493.90 and 31,320.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,539 : 72,493.90 = 31,320.24 : x
2. Step 2: Convert to fraction form
   52,539/72,493.90 = 31,320.24/x
3. Step 3: Cross multiply
   52,539x = 72,493.90 × 31,320.24
4. Step 4: Simplify right side
   52,539x = 2,270,526,346.54
5. Step 5: Solve for x
   x = 2,270,526,346.54/52,539
6. Step 6: Final answer
   x = 43,216.02