Finding the Fourth Proportional to 2,367.81, 3,552.18 and 980.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.81 : 3,552.18 = 980.40 : x
2. Step 2: Convert to fraction form
   2,367.81/3,552.18 = 980.40/x
3. Step 3: Cross multiply
   2,367.81x = 3,552.18 × 980.40
4. Step 4: Simplify right side
   2,367.81x = 3,482,557.27
5. Step 5: Solve for x
   x = 3,482,557.27/2,367.81
6. Step 6: Final answer
   x = 1,470.79