Finding the Fourth Proportional to 2,447.27, 3,671.25 and 803.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.27 : 3,671.25 = 803.45 : x
2. Step 2: Convert to fraction form
   2,447.27/3,671.25 = 803.45/x
3. Step 3: Cross multiply
   2,447.27x = 3,671.25 × 803.45
4. Step 4: Simplify right side
   2,447.27x = 2,949,665.81
5. Step 5: Solve for x
   x = 2,949,665.81/2,447.27
6. Step 6: Final answer
   x = 1,205.29