Finding the Fourth Proportional to 16,541.72, 22,827.20 and 9,371.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,541.72 : 22,827.20 = 9,371.06 : x
2. Step 2: Convert to fraction form
   16,541.72/22,827.20 = 9,371.06/x
3. Step 3: Cross multiply
   16,541.72x = 22,827.20 × 9,371.06
4. Step 4: Simplify right side
   16,541.72x = 213,915,060.83
5. Step 5: Solve for x
   x = 213,915,060.83/16,541.72
6. Step 6: Final answer
   x = 12,931.85