Finding the Fourth Proportional to 31,752.96, 43,819.29 and 18,324.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,752.96 : 43,819.29 = 18,324.78 : x
2. Step 2: Convert to fraction form
   31,752.96/43,819.29 = 18,324.78/x
3. Step 3: Cross multiply
   31,752.96x = 43,819.29 × 18,324.78
4. Step 4: Simplify right side
   31,752.96x = 802,978,849.01
5. Step 5: Solve for x
   x = 802,978,849.01/31,752.96
6. Step 6: Final answer
   x = 25,288.31