Finding the Fourth Proportional to 10,863.72, 16,282.80 and 5,007.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,863.72 : 16,282.80 = 5,007.96 : x
2. Step 2: Convert to fraction form
   10,863.72/16,282.80 = 5,007.96/x
3. Step 3: Cross multiply
   10,863.72x = 16,282.80 × 5,007.96
4. Step 4: Simplify right side
   10,863.72x = 81,543,611.09
5. Step 5: Solve for x
   x = 81,543,611.09/10,863.72
6. Step 6: Final answer
   x = 7,506.05