Finding the Fourth Proportional to 1,524.69, 2,104.20 and 935.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524.69 : 2,104.20 = 935.42 : x
2. Step 2: Convert to fraction form
   1,524.69/2,104.20 = 935.42/x
3. Step 3: Cross multiply
   1,524.69x = 2,104.20 × 935.42
4. Step 4: Simplify right side
   1,524.69x = 1,968,300.24
5. Step 5: Solve for x
   x = 1,968,300.24/1,524.69
6. Step 6: Final answer
   x = 1,290.95