Finding the Fourth Proportional to 2,444.79, 3,667.69 and 801.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.79 : 3,667.69 = 801.21 : x
2. Step 2: Convert to fraction form
   2,444.79/3,667.69 = 801.21/x
3. Step 3: Cross multiply
   2,444.79x = 3,667.69 × 801.21
4. Step 4: Simplify right side
   2,444.79x = 2,938,584.03
5. Step 5: Solve for x
   x = 2,938,584.03/2,444.79
6. Step 6: Final answer
   x = 1,201.98