Finding the Fourth Proportional to 1,726.34, 2,382.27 and 980.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.34 : 2,382.27 = 980.20 : x
2. Step 2: Convert to fraction form
   1,726.34/2,382.27 = 980.20/x
3. Step 3: Cross multiply
   1,726.34x = 2,382.27 × 980.20
4. Step 4: Simplify right side
   1,726.34x = 2,335,096.15
5. Step 5: Solve for x
   x = 2,335,096.15/1,726.34
6. Step 6: Final answer
   x = 1,352.63