Finding the Fourth Proportional to 3,650.22, 5,474.52 and 1,053.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,650.22 : 5,474.52 = 1,053.36 : x
2. Step 2: Convert to fraction form
   3,650.22/5,474.52 = 1,053.36/x
3. Step 3: Cross multiply
   3,650.22x = 5,474.52 × 1,053.36
4. Step 4: Simplify right side
   3,650.22x = 5,766,640.39
5. Step 5: Solve for x
   x = 5,766,640.39/3,650.22
6. Step 6: Final answer
   x = 1,579.81