Finding the Fourth Proportional to 2,443.99, 3,666.18 and 800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.99 : 3,666.18 = 800.50 : x
2. Step 2: Convert to fraction form
   2,443.99/3,666.18 = 800.50/x
3. Step 3: Cross multiply
   2,443.99x = 3,666.18 × 800.50
4. Step 4: Simplify right side
   2,443.99x = 2,934,769.93
5. Step 5: Solve for x
   x = 2,934,769.93/2,443.99
6. Step 6: Final answer
   x = 1,200.81