Finding the Fourth Proportional to 8,112.01, 12,169.22 and 2,564.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,112.01 : 12,169.22 = 2,564.10 : x
2. Step 2: Convert to fraction form
   8,112.01/12,169.22 = 2,564.10/x
3. Step 3: Cross multiply
   8,112.01x = 12,169.22 × 2,564.10
4. Step 4: Simplify right side
   8,112.01x = 31,203,038.55
5. Step 5: Solve for x
   x = 31,203,038.55/8,112.01
6. Step 6: Final answer
   x = 3,846.52