Finding the Fourth Proportional to 8,382.25, 12,568.76 and 2,538.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,382.25 : 12,568.76 = 2,538.10 : x
2. Step 2: Convert to fraction form
   8,382.25/12,568.76 = 2,538.10/x
3. Step 3: Cross multiply
   8,382.25x = 12,568.76 × 2,538.10
4. Step 4: Simplify right side
   8,382.25x = 31,900,694.22
5. Step 5: Solve for x
   x = 31,900,694.22/8,382.25
6. Step 6: Final answer
   x = 3,805.75