Finding the Fourth Proportional to 8,109.02, 12,165.76 and 2,562.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109.02 : 12,165.76 = 2,562.20 : x
2. Step 2: Convert to fraction form
   8,109.02/12,165.76 = 2,562.20/x
3. Step 3: Cross multiply
   8,109.02x = 12,165.76 × 2,562.20
4. Step 4: Simplify right side
   8,109.02x = 31,171,110.27
5. Step 5: Solve for x
   x = 31,171,110.27/8,109.02
6. Step 6: Final answer
   x = 3,844.00