Finding the Fourth Proportional to 1,049.72, 1,448.52 and 583.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.72 : 1,448.52 = 583.94 : x
2. Step 2: Convert to fraction form
   1,049.72/1,448.52 = 583.94/x
3. Step 3: Cross multiply
   1,049.72x = 1,448.52 × 583.94
4. Step 4: Simplify right side
   1,049.72x = 845,848.77
5. Step 5: Solve for x
   x = 845,848.77/1,049.72
6. Step 6: Final answer
   x = 805.79