Finding the Fourth Proportional to 1,049.37, 1,448.18 and 577.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.37 : 1,448.18 = 577.25 : x
2. Step 2: Convert to fraction form
   1,049.37/1,448.18 = 577.25/x
3. Step 3: Cross multiply
   1,049.37x = 1,448.18 × 577.25
4. Step 4: Simplify right side
   1,049.37x = 835,961.91
5. Step 5: Solve for x
   x = 835,961.91/1,049.37
6. Step 6: Final answer
   x = 796.63