Finding the Fourth Proportional to 3,061.36, 4,589.79 and 980.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.36 : 4,589.79 = 980.17 : x
2. Step 2: Convert to fraction form
   3,061.36/4,589.79 = 980.17/x
3. Step 3: Cross multiply
   3,061.36x = 4,589.79 × 980.17
4. Step 4: Simplify right side
   3,061.36x = 4,498,774.46
5. Step 5: Solve for x
   x = 4,498,774.46/3,061.36
6. Step 6: Final answer
   x = 1,469.53