Finding the Fourth Proportional to 1,766.18, 2,437.41 and 980.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.18 : 2,437.41 = 980.18 : x
2. Step 2: Convert to fraction form
   1,766.18/2,437.41 = 980.18/x
3. Step 3: Cross multiply
   1,766.18x = 2,437.41 × 980.18
4. Step 4: Simplify right side
   1,766.18x = 2,389,100.53
5. Step 5: Solve for x
   x = 2,389,100.53/1,766.18
6. Step 6: Final answer
   x = 1,352.69