Finding the Fourth Proportional to 2,736.18, 4,103.46 and 980.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.18 : 4,103.46 = 980.91 : x
2. Step 2: Convert to fraction form
   2,736.18/4,103.46 = 980.91/x
3. Step 3: Cross multiply
   2,736.18x = 4,103.46 × 980.91
4. Step 4: Simplify right side
   2,736.18x = 4,025,124.95
5. Step 5: Solve for x
   x = 4,025,124.95/2,736.18
6. Step 6: Final answer
   x = 1,471.07