Finding the Fourth Proportional to 31,708.82, 43,757.73 and 18,280.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,708.82 : 43,757.73 = 18,280.10 : x
2. Step 2: Convert to fraction form
   31,708.82/43,757.73 = 18,280.10/x
3. Step 3: Cross multiply
   31,708.82x = 43,757.73 × 18,280.10
4. Step 4: Simplify right side
   31,708.82x = 799,895,680.17
5. Step 5: Solve for x
   x = 799,895,680.17/31,708.82
6. Step 6: Final answer
   x = 25,226.28