Finding the Fourth Proportional to 2,700.69, 3,723.59 and 2,253.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.69 : 3,723.59 = 2,253.21 : x
2. Step 2: Convert to fraction form
   2,700.69/3,723.59 = 2,253.21/x
3. Step 3: Cross multiply
   2,700.69x = 3,723.59 × 2,253.21
4. Step 4: Simplify right side
   2,700.69x = 8,390,021.89
5. Step 5: Solve for x
   x = 8,390,021.89/2,700.69
6. Step 6: Final answer
   x = 3,106.63