Finding the Fourth Proportional to 1,766.25, 2,437.43 and 980.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.25 : 2,437.43 = 980.42 : x
2. Step 2: Convert to fraction form
   1,766.25/2,437.43 = 980.42/x
3. Step 3: Cross multiply
   1,766.25x = 2,437.43 × 980.42
4. Step 4: Simplify right side
   1,766.25x = 2,389,688.03
5. Step 5: Solve for x
   x = 2,389,688.03/1,766.25
6. Step 6: Final answer
   x = 1,352.97