Finding the Fourth Proportional to 10,872.72, 16,316.39 and 3,852.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.72 : 16,316.39 = 3,852.71 : x
2. Step 2: Convert to fraction form
   10,872.72/16,316.39 = 3,852.71/x
3. Step 3: Cross multiply
   10,872.72x = 16,316.39 × 3,852.71
4. Step 4: Simplify right side
   10,872.72x = 62,862,218.07
5. Step 5: Solve for x
   x = 62,862,218.07/10,872.72
6. Step 6: Final answer
   x = 5,781.65