Finding the Fourth Proportional to 2,427.39, 3,641.90 and 966.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.39 : 3,641.90 = 966.15 : x
2. Step 2: Convert to fraction form
   2,427.39/3,641.90 = 966.15/x
3. Step 3: Cross multiply
   2,427.39x = 3,641.90 × 966.15
4. Step 4: Simplify right side
   2,427.39x = 3,518,621.69
5. Step 5: Solve for x
   x = 3,518,621.69/2,427.39
6. Step 6: Final answer
   x = 1,449.55