Finding the Fourth Proportional to 8,109.09, 12,164.30 and 2,562.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109.09 : 12,164.30 = 2,562.75 : x
2. Step 2: Convert to fraction form
   8,109.09/12,164.30 = 2,562.75/x
3. Step 3: Cross multiply
   8,109.09x = 12,164.30 × 2,562.75
4. Step 4: Simplify right side
   8,109.09x = 31,174,059.83
5. Step 5: Solve for x
   x = 31,174,059.83/8,109.09
6. Step 6: Final answer
   x = 3,844.34