Finding the Fourth Proportional to 8,111.03, 12,165.93 and 2,564.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.03 : 12,165.93 = 2,564.55 : x
2. Step 2: Convert to fraction form
   8,111.03/12,165.93 = 2,564.55/x
3. Step 3: Cross multiply
   8,111.03x = 12,165.93 × 2,564.55
4. Step 4: Simplify right side
   8,111.03x = 31,200,135.78
5. Step 5: Solve for x
   x = 31,200,135.78/8,111.03
6. Step 6: Final answer
   x = 3,846.63