Finding the Fourth Proportional to 31,363.89, 43,282.08 and 17,216.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,363.89 : 43,282.08 = 17,216.43 : x
2. Step 2: Convert to fraction form
   31,363.89/43,282.08 = 17,216.43/x
3. Step 3: Cross multiply
   31,363.89x = 43,282.08 × 17,216.43
4. Step 4: Simplify right side
   31,363.89x = 745,162,900.57
5. Step 5: Solve for x
   x = 745,162,900.57/31,363.89
6. Step 6: Final answer
   x = 23,758.62