Finding the Fourth Proportional to 8,405.52, 12,610.71 and 2,563.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,405.52 : 12,610.71 = 2,563.08 : x
2. Step 2: Convert to fraction form
   8,405.52/12,610.71 = 2,563.08/x
3. Step 3: Cross multiply
   8,405.52x = 12,610.71 × 2,563.08
4. Step 4: Simplify right side
   8,405.52x = 32,322,258.59
5. Step 5: Solve for x
   x = 32,322,258.59/8,405.52
6. Step 6: Final answer
   x = 3,845.36