Finding the Fourth Proportional to 2,574.24, 3,552.48 and 1,526.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.24 : 3,552.48 = 1,526.40 : x
2. Step 2: Convert to fraction form
   2,574.24/3,552.48 = 1,526.40/x
3. Step 3: Cross multiply
   2,574.24x = 3,552.48 × 1,526.40
4. Step 4: Simplify right side
   2,574.24x = 5,422,505.47
5. Step 5: Solve for x
   x = 5,422,505.47/2,574.24
6. Step 6: Final answer
   x = 2,106.45