Finding the Fourth Proportional to 1,771.06, 2,443.94 and 985.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,771.06 : 2,443.94 = 985.02 : x
2. Step 2: Convert to fraction form
   1,771.06/2,443.94 = 985.02/x
3. Step 3: Cross multiply
   1,771.06x = 2,443.94 × 985.02
4. Step 4: Simplify right side
   1,771.06x = 2,407,329.78
5. Step 5: Solve for x
   x = 2,407,329.78/1,771.06
6. Step 6: Final answer
   x = 1,359.26