Finding the Fourth Proportional to 22,154.31, 30,572.83 and 12,082.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,154.31 : 30,572.83 = 12,082.57 : x
2. Step 2: Convert to fraction form
   22,154.31/30,572.83 = 12,082.57/x
3. Step 3: Cross multiply
   22,154.31x = 30,572.83 × 12,082.57
4. Step 4: Simplify right side
   22,154.31x = 369,398,358.57
5. Step 5: Solve for x
   x = 369,398,358.57/22,154.31
6. Step 6: Final answer
   x = 16,673.88