Finding the Fourth Proportional to 40,223.75, 55,508.98 and 22,318.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,223.75 : 55,508.98 = 22,318.75 : x
2. Step 2: Convert to fraction form
   40,223.75/55,508.98 = 22,318.75/x
3. Step 3: Cross multiply
   40,223.75x = 55,508.98 × 22,318.75
4. Step 4: Simplify right side
   40,223.75x = 1,238,891,275.03
5. Step 5: Solve for x
   x = 1,238,891,275.03/40,223.75
6. Step 6: Final answer
   x = 30,799.99