Finding the Fourth Proportional to 22,131.28, 30,541.17 and 12,059.73

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.28 : 30,541.17 = 12,059.73 : x
2. Step 2: Convert to fraction form
   22,131.28/30,541.17 = 12,059.73/x
3. Step 3: Cross multiply
   22,131.28x = 30,541.17 × 12,059.73
4. Step 4: Simplify right side
   22,131.28x = 368,318,111.38
5. Step 5: Solve for x
   x = 368,318,111.38/22,131.28
6. Step 6: Final answer
   x = 16,642.42