Finding the Fourth Proportional to 2,366.72, 3,550.82 and 980.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,366.72 : 3,550.82 = 980.71 : x
2. Step 2: Convert to fraction form
   2,366.72/3,550.82 = 980.71/x
3. Step 3: Cross multiply
   2,366.72x = 3,550.82 × 980.71
4. Step 4: Simplify right side
   2,366.72x = 3,482,310.90
5. Step 5: Solve for x
   x = 3,482,310.90/2,366.72
6. Step 6: Final answer
   x = 1,471.37