Finding the Fourth Proportional to 1,726.33, 2,382.38 and 980.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.33 : 2,382.38 = 980.15 : x
2. Step 2: Convert to fraction form
   1,726.33/2,382.38 = 980.15/x
3. Step 3: Cross multiply
   1,726.33x = 2,382.38 × 980.15
4. Step 4: Simplify right side
   1,726.33x = 2,335,080.30
5. Step 5: Solve for x
   x = 2,335,080.30/1,726.33
6. Step 6: Final answer
   x = 1,352.63