Finding the Fourth Proportional to 8,111.55, 12,169.16 and 2,565.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.55 : 12,169.16 = 2,565.24 : x
2. Step 2: Convert to fraction form
   8,111.55/12,169.16 = 2,565.24/x
3. Step 3: Cross multiply
   8,111.55x = 12,169.16 × 2,565.24
4. Step 4: Simplify right side
   8,111.55x = 31,216,816.00
5. Step 5: Solve for x
   x = 31,216,816.00/8,111.55
6. Step 6: Final answer
   x = 3,848.44