Finding the Fourth Proportional to 2,574.90, 3,852.72 and 1,531.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.90 : 3,852.72 = 1,531.08 : x
2. Step 2: Convert to fraction form
   2,574.90/3,852.72 = 1,531.08/x
3. Step 3: Cross multiply
   2,574.90x = 3,852.72 × 1,531.08
4. Step 4: Simplify right side
   2,574.90x = 5,898,822.54
5. Step 5: Solve for x
   x = 5,898,822.54/2,574.90
6. Step 6: Final answer
   x = 2,290.89