Finding the Fourth Proportional to 2,076.52, 3,114.80 and 980.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.52 : 3,114.80 = 980.60 : x
2. Step 2: Convert to fraction form
   2,076.52/3,114.80 = 980.60/x
3. Step 3: Cross multiply
   2,076.52x = 3,114.80 × 980.60
4. Step 4: Simplify right side
   2,076.52x = 3,054,372.88
5. Step 5: Solve for x
   x = 3,054,372.88/2,076.52
6. Step 6: Final answer
   x = 1,470.91