Finding the Fourth Proportional to 1,766.10, 2,437.23 and 980.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.10 : 2,437.23 = 980.22 : x
2. Step 2: Convert to fraction form
   1,766.10/2,437.23 = 980.22/x
3. Step 3: Cross multiply
   1,766.10x = 2,437.23 × 980.22
4. Step 4: Simplify right side
   1,766.10x = 2,389,021.59
5. Step 5: Solve for x
   x = 2,389,021.59/1,766.10
6. Step 6: Final answer
   x = 1,352.71