Finding the Fourth Proportional to 2,076.34, 3,113.42 and 980.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.34 : 3,113.42 = 980.41 : x
2. Step 2: Convert to fraction form
   2,076.34/3,113.42 = 980.41/x
3. Step 3: Cross multiply
   2,076.34x = 3,113.42 × 980.41
4. Step 4: Simplify right side
   2,076.34x = 3,052,428.10
5. Step 5: Solve for x
   x = 3,052,428.10/2,076.34
6. Step 6: Final answer
   x = 1,470.10