Finding the Fourth Proportional to 2,574.15, 3,552.33 and 1,395.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.15 : 3,552.33 = 1,395.21 : x
2. Step 2: Convert to fraction form
   2,574.15/3,552.33 = 1,395.21/x
3. Step 3: Cross multiply
   2,574.15x = 3,552.33 × 1,395.21
4. Step 4: Simplify right side
   2,574.15x = 4,956,246.34
5. Step 5: Solve for x
   x = 4,956,246.34/2,574.15
6. Step 6: Final answer
   x = 1,925.39