Finding the Fourth Proportional to 2,574.55, 3,555.39 and 2,199.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.55 : 3,555.39 = 2,199.34 : x
2. Step 2: Convert to fraction form
   2,574.55/3,555.39 = 2,199.34/x
3. Step 3: Cross multiply
   2,574.55x = 3,555.39 × 2,199.34
4. Step 4: Simplify right side
   2,574.55x = 7,819,493.67
5. Step 5: Solve for x
   x = 7,819,493.67/2,574.55
6. Step 6: Final answer
   x = 3,037.23