Finding the Fourth Proportional to 2,443.86, 3,666.23 and 800.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.86 : 3,666.23 = 800.49 : x
2. Step 2: Convert to fraction form
   2,443.86/3,666.23 = 800.49/x
3. Step 3: Cross multiply
   2,443.86x = 3,666.23 × 800.49
4. Step 4: Simplify right side
   2,443.86x = 2,934,780.45
5. Step 5: Solve for x
   x = 2,934,780.45/2,443.86
6. Step 6: Final answer
   x = 1,200.88