Finding the Fourth Proportional to 1,049.48, 1,448.27 and 577.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.48 : 1,448.27 = 577.41 : x
2. Step 2: Convert to fraction form
   1,049.48/1,448.27 = 577.41/x
3. Step 3: Cross multiply
   1,049.48x = 1,448.27 × 577.41
4. Step 4: Simplify right side
   1,049.48x = 836,247.02
5. Step 5: Solve for x
   x = 836,247.02/1,049.48
6. Step 6: Final answer
   x = 796.82