Finding the Fourth Proportional to 8,074.86, 12,111.30 and 2,152.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,074.86 : 12,111.30 = 2,152.20 : x
2. Step 2: Convert to fraction form
   8,074.86/12,111.30 = 2,152.20/x
3. Step 3: Cross multiply
   8,074.86x = 12,111.30 × 2,152.20
4. Step 4: Simplify right side
   8,074.86x = 26,065,939.86
5. Step 5: Solve for x
   x = 26,065,939.86/8,074.86
6. Step 6: Final answer
   x = 3,228.04