Finding the Fourth Proportional to 16,826.72, 23,211.24 and 10,528.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,826.72 : 23,211.24 = 10,528.16 : x
2. Step 2: Convert to fraction form
   16,826.72/23,211.24 = 10,528.16/x
3. Step 3: Cross multiply
   16,826.72x = 23,211.24 × 10,528.16
4. Step 4: Simplify right side
   16,826.72x = 244,371,648.52
5. Step 5: Solve for x
   x = 244,371,648.52/16,826.72
6. Step 6: Final answer
   x = 14,522.83