Finding the Fourth Proportional to 23,081.70, 31,622.04 and 22,217.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.70 : 31,622.04 = 22,217.82 : x
2. Step 2: Convert to fraction form
   23,081.70/31,622.04 = 22,217.82/x
3. Step 3: Cross multiply
   23,081.70x = 31,622.04 × 22,217.82
4. Step 4: Simplify right side
   23,081.70x = 702,572,792.75
5. Step 5: Solve for x
   x = 702,572,792.75/23,081.70
6. Step 6: Final answer
   x = 30,438.52