Finding the Fourth Proportional to 22,082.43, 30,464.76 and 12,520.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,082.43 : 30,464.76 = 12,520.30 : x
2. Step 2: Convert to fraction form
   22,082.43/30,464.76 = 12,520.30/x
3. Step 3: Cross multiply
   22,082.43x = 30,464.76 × 12,520.30
4. Step 4: Simplify right side
   22,082.43x = 381,427,934.63
5. Step 5: Solve for x
   x = 381,427,934.63/22,082.43
6. Step 6: Final answer
   x = 17,272.91