Finding the Fourth Proportional to 8,041.55, 12,065.36 and 3,111.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,041.55 : 12,065.36 = 3,111.48 : x
2. Step 2: Convert to fraction form
   8,041.55/12,065.36 = 3,111.48/x
3. Step 3: Cross multiply
   8,041.55x = 12,065.36 × 3,111.48
4. Step 4: Simplify right side
   8,041.55x = 37,541,110.78
5. Step 5: Solve for x
   x = 37,541,110.78/8,041.55
6. Step 6: Final answer
   x = 4,668.40