Finding the Fourth Proportional to 22,521.82, 31,082.74 and 18,738.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,521.82 : 31,082.74 = 18,738.30 : x
2. Step 2: Convert to fraction form
   22,521.82/31,082.74 = 18,738.30/x
3. Step 3: Cross multiply
   22,521.82x = 31,082.74 × 18,738.30
4. Step 4: Simplify right side
   22,521.82x = 582,437,706.94
5. Step 5: Solve for x
   x = 582,437,706.94/22,521.82
6. Step 6: Final answer
   x = 25,861.04