Finding the Fourth Proportional to 16,543.72, 22,821.78 and 10,245.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,543.72 : 22,821.78 = 10,245.16 : x
2. Step 2: Convert to fraction form
   16,543.72/22,821.78 = 10,245.16/x
3. Step 3: Cross multiply
   16,543.72x = 22,821.78 × 10,245.16
4. Step 4: Simplify right side
   16,543.72x = 233,812,787.58
5. Step 5: Solve for x
   x = 233,812,787.58/16,543.72
6. Step 6: Final answer
   x = 14,133.02