Finding the Fourth Proportional to 1,524.83, 2,103.57 and 935.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524.83 : 2,103.57 = 935.15 : x
2. Step 2: Convert to fraction form
   1,524.83/2,103.57 = 935.15/x
3. Step 3: Cross multiply
   1,524.83x = 2,103.57 × 935.15
4. Step 4: Simplify right side
   1,524.83x = 1,967,142.97
5. Step 5: Solve for x
   x = 1,967,142.97/1,524.83
6. Step 6: Final answer
   x = 1,290.08