Finding the Fourth Proportional to 10,872.96, 16,309.98 and 3,381.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.96 : 16,309.98 = 3,381.62 : x
2. Step 2: Convert to fraction form
   10,872.96/16,309.98 = 3,381.62/x
3. Step 3: Cross multiply
   10,872.96x = 16,309.98 × 3,381.62
4. Step 4: Simplify right side
   10,872.96x = 55,154,186.87
5. Step 5: Solve for x
   x = 55,154,186.87/10,872.96
6. Step 6: Final answer
   x = 5,072.60