Finding the Fourth Proportional to 2,443.91, 3,666.15 and 800.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.91 : 3,666.15 = 800.48 : x
2. Step 2: Convert to fraction form
   2,443.91/3,666.15 = 800.48/x
3. Step 3: Cross multiply
   2,443.91x = 3,666.15 × 800.48
4. Step 4: Simplify right side
   2,443.91x = 2,934,661.42
5. Step 5: Solve for x
   x = 2,934,661.42/2,443.91
6. Step 6: Final answer
   x = 1,200.80