Finding the Fourth Proportional to 2,443.95, 3,666.27 and 800.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.95 : 3,666.27 = 800.15 : x
2. Step 2: Convert to fraction form
   2,443.95/3,666.27 = 800.15/x
3. Step 3: Cross multiply
   2,443.95x = 3,666.27 × 800.15
4. Step 4: Simplify right side
   2,443.95x = 2,933,550.61
5. Step 5: Solve for x
   x = 2,933,550.61/2,443.95
6. Step 6: Final answer
   x = 1,200.33