Finding the Fourth Proportional to 1,524.42, 2,105.28 and 935.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524.42 : 2,105.28 = 935.37 : x
2. Step 2: Convert to fraction form
   1,524.42/2,105.28 = 935.37/x
3. Step 3: Cross multiply
   1,524.42x = 2,105.28 × 935.37
4. Step 4: Simplify right side
   1,524.42x = 1,969,215.75
5. Step 5: Solve for x
   x = 1,969,215.75/1,524.42
6. Step 6: Final answer
   x = 1,291.78