Finding the Fourth Proportional to 2,790.25, 3,850.56 and 1,531.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790.25 : 3,850.56 = 1,531.43 : x
2. Step 2: Convert to fraction form
   2,790.25/3,850.56 = 1,531.43/x
3. Step 3: Cross multiply
   2,790.25x = 3,850.56 × 1,531.43
4. Step 4: Simplify right side
   2,790.25x = 5,896,863.10
5. Step 5: Solve for x
   x = 5,896,863.10/2,790.25
6. Step 6: Final answer
   x = 2,113.38