Finding the Fourth Proportional to 1,700.88, 2,550.96 and 775.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,700.88 : 2,550.96 = 775.83 : x
2. Step 2: Convert to fraction form
   1,700.88/2,550.96 = 775.83/x
3. Step 3: Cross multiply
   1,700.88x = 2,550.96 × 775.83
4. Step 4: Simplify right side
   1,700.88x = 1,979,111.30
5. Step 5: Solve for x
   x = 1,979,111.30/1,700.88
6. Step 6: Final answer
   x = 1,163.58