Finding the Fourth Proportional to 31,200.75, 43,057.32 and 17,771.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.75 : 43,057.32 = 17,771.82 : x
2. Step 2: Convert to fraction form
   31,200.75/43,057.32 = 17,771.82/x
3. Step 3: Cross multiply
   31,200.75x = 43,057.32 × 17,771.82
4. Step 4: Simplify right side
   31,200.75x = 765,206,940.72
5. Step 5: Solve for x
   x = 765,206,940.72/31,200.75
6. Step 6: Final answer
   x = 24,525.27