Finding the Fourth Proportional to 1,049.46, 1,448.24 and 577.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.46 : 1,448.24 = 577.34 : x
2. Step 2: Convert to fraction form
   1,049.46/1,448.24 = 577.34/x
3. Step 3: Cross multiply
   1,049.46x = 1,448.24 × 577.34
4. Step 4: Simplify right side
   1,049.46x = 836,126.88
5. Step 5: Solve for x
   x = 836,126.88/1,049.46
6. Step 6: Final answer
   x = 796.72