Finding the Fourth Proportional to 22,580.27, 31,160.39 and 12,371.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,580.27 : 31,160.39 = 12,371.21 : x
2. Step 2: Convert to fraction form
   22,580.27/31,160.39 = 12,371.21/x
3. Step 3: Cross multiply
   22,580.27x = 31,160.39 × 12,371.21
4. Step 4: Simplify right side
   22,580.27x = 385,491,510.71
5. Step 5: Solve for x
   x = 385,491,510.71/22,580.27
6. Step 6: Final answer
   x = 17,072.05