Finding the Fourth Proportional to 2,077.65, 3,114.05 and 980.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.65 : 3,114.05 = 980.51 : x
2. Step 2: Convert to fraction form
   2,077.65/3,114.05 = 980.51/x
3. Step 3: Cross multiply
   2,077.65x = 3,114.05 × 980.51
4. Step 4: Simplify right side
   2,077.65x = 3,053,336.69
5. Step 5: Solve for x
   x = 3,053,336.69/2,077.65
6. Step 6: Final answer
   x = 1,469.61