Finding the Fourth Proportional to 2,574.43, 3,552.72 and 1,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.43 : 3,552.72 = 1,395.50 : x
2. Step 2: Convert to fraction form
   2,574.43/3,552.72 = 1,395.50/x
3. Step 3: Cross multiply
   2,574.43x = 3,552.72 × 1,395.50
4. Step 4: Simplify right side
   2,574.43x = 4,957,820.76
5. Step 5: Solve for x
   x = 4,957,820.76/2,574.43
6. Step 6: Final answer
   x = 1,925.79