Finding the Fourth Proportional to 2,574.22, 3,552.21 and 1,455.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.22 : 3,552.21 = 1,455.10 : x
2. Step 2: Convert to fraction form
   2,574.22/3,552.21 = 1,455.10/x
3. Step 3: Cross multiply
   2,574.22x = 3,552.21 × 1,455.10
4. Step 4: Simplify right side
   2,574.22x = 5,168,820.77
5. Step 5: Solve for x
   x = 5,168,820.77/2,574.22
6. Step 6: Final answer
   x = 2,007.92