Finding the Fourth Proportional to 1,775.58, 2,662.86 and 850.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,775.58 : 2,662.86 = 850.22 : x
2. Step 2: Convert to fraction form
   1,775.58/2,662.86 = 850.22/x
3. Step 3: Cross multiply
   1,775.58x = 2,662.86 × 850.22
4. Step 4: Simplify right side
   1,775.58x = 2,264,016.83
5. Step 5: Solve for x
   x = 2,264,016.83/1,775.58
6. Step 6: Final answer
   x = 1,275.09