Finding the Fourth Proportional to 1,200.83, 1,658.17 and 759.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.83 : 1,658.17 = 759.51 : x
2. Step 2: Convert to fraction form
   1,200.83/1,658.17 = 759.51/x
3. Step 3: Cross multiply
   1,200.83x = 1,658.17 × 759.51
4. Step 4: Simplify right side
   1,200.83x = 1,259,397.65
5. Step 5: Solve for x
   x = 1,259,397.65/1,200.83
6. Step 6: Final answer
   x = 1,048.78