Finding the Fourth Proportional to 1,760.41, 2,638.56 and 980.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.41 : 2,638.56 = 980.04 : x
2. Step 2: Convert to fraction form
   1,760.41/2,638.56 = 980.04/x
3. Step 3: Cross multiply
   1,760.41x = 2,638.56 × 980.04
4. Step 4: Simplify right side
   1,760.41x = 2,585,907.91
5. Step 5: Solve for x
   x = 2,585,907.91/1,760.41
6. Step 6: Final answer
   x = 1,468.92