Finding the Fourth Proportional to 31,229.57, 43,095.71 and 17,805.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,229.57 : 43,095.71 = 17,805.15 : x
2. Step 2: Convert to fraction form
   31,229.57/43,095.71 = 17,805.15/x
3. Step 3: Cross multiply
   31,229.57x = 43,095.71 × 17,805.15
4. Step 4: Simplify right side
   31,229.57x = 767,325,365.43
5. Step 5: Solve for x
   x = 767,325,365.43/31,229.57
6. Step 6: Final answer
   x = 24,570.48