Finding the Fourth Proportional to 1,766.42, 2,437.50 and 980.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.42 : 2,437.50 = 980.46 : x
2. Step 2: Convert to fraction form
   1,766.42/2,437.50 = 980.46/x
3. Step 3: Cross multiply
   1,766.42x = 2,437.50 × 980.46
4. Step 4: Simplify right side
   1,766.42x = 2,389,871.25
5. Step 5: Solve for x
   x = 2,389,871.25/1,766.42
6. Step 6: Final answer
   x = 1,352.95