Finding the Fourth Proportional to 2,443.67, 3,665.12 and 800.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.67 : 3,665.12 = 800.18 : x
2. Step 2: Convert to fraction form
   2,443.67/3,665.12 = 800.18/x
3. Step 3: Cross multiply
   2,443.67x = 3,665.12 × 800.18
4. Step 4: Simplify right side
   2,443.67x = 2,932,733.40
5. Step 5: Solve for x
   x = 2,932,733.40/2,443.67
6. Step 6: Final answer
   x = 1,200.14