Finding the Fourth Proportional to 2,661.32, 3,673.06 and 2,218.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.32 : 3,673.06 = 2,218.52 : x
2. Step 2: Convert to fraction form
   2,661.32/3,673.06 = 2,218.52/x
3. Step 3: Cross multiply
   2,661.32x = 3,673.06 × 2,218.52
4. Step 4: Simplify right side
   2,661.32x = 8,148,757.07
5. Step 5: Solve for x
   x = 8,148,757.07/2,661.32
6. Step 6: Final answer
   x = 3,061.92