Finding the Fourth Proportional to 2,443.87, 3,665.99 and 884.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.87 : 3,665.99 = 884.80 : x
2. Step 2: Convert to fraction form
   2,443.87/3,665.99 = 884.80/x
3. Step 3: Cross multiply
   2,443.87x = 3,665.99 × 884.80
4. Step 4: Simplify right side
   2,443.87x = 3,243,667.95
5. Step 5: Solve for x
   x = 3,243,667.95/2,443.87
6. Step 6: Final answer
   x = 1,327.27