Finding the Fourth Proportional to 2,444.21, 3,665.01 and 800.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.21 : 3,665.01 = 800.54 : x
2. Step 2: Convert to fraction form
   2,444.21/3,665.01 = 800.54/x
3. Step 3: Cross multiply
   2,444.21x = 3,665.01 × 800.54
4. Step 4: Simplify right side
   2,444.21x = 2,933,968.78
5. Step 5: Solve for x
   x = 2,933,968.78/2,444.21
6. Step 6: Final answer
   x = 1,200.38