Finding the Fourth Proportional to 31,752.15, 43,823.69 and 18,321.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,752.15 : 43,823.69 = 18,321.54 : x
2. Step 2: Convert to fraction form
   31,752.15/43,823.69 = 18,321.54/x
3. Step 3: Cross multiply
   31,752.15x = 43,823.69 × 18,321.54
4. Step 4: Simplify right side
   31,752.15x = 802,917,397.67
5. Step 5: Solve for x
   x = 802,917,397.67/31,752.15
6. Step 6: Final answer
   x = 25,287.02