Finding the Fourth Proportional to 8,162.10, 12,245.04 and 2,615.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162.10 : 12,245.04 = 2,615.76 : x
2. Step 2: Convert to fraction form
   8,162.10/12,245.04 = 2,615.76/x
3. Step 3: Cross multiply
   8,162.10x = 12,245.04 × 2,615.76
4. Step 4: Simplify right side
   8,162.10x = 32,030,085.83
5. Step 5: Solve for x
   x = 32,030,085.83/8,162.10
6. Step 6: Final answer
   x = 3,924.25