Finding the Fourth Proportional to 1,766.33, 2,437.41 and 980.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.33 : 2,437.41 = 980.31 : x
2. Step 2: Convert to fraction form
   1,766.33/2,437.41 = 980.31/x
3. Step 3: Cross multiply
   1,766.33x = 2,437.41 × 980.31
4. Step 4: Simplify right side
   1,766.33x = 2,389,417.40
5. Step 5: Solve for x
   x = 2,389,417.40/1,766.33
6. Step 6: Final answer
   x = 1,352.76