Finding the Fourth Proportional to 1,766.15, 2,437.31 and 980.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.15 : 2,437.31 = 980.24 : x
2. Step 2: Convert to fraction form
   1,766.15/2,437.31 = 980.24/x
3. Step 3: Cross multiply
   1,766.15x = 2,437.31 × 980.24
4. Step 4: Simplify right side
   1,766.15x = 2,389,139.02
5. Step 5: Solve for x
   x = 2,389,139.02/1,766.15
6. Step 6: Final answer
   x = 1,352.74