Finding the Fourth Proportional to 1,057.98, 1,585.24 and 364.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.98 : 1,585.24 = 364.27 : x
2. Step 2: Convert to fraction form
   1,057.98/1,585.24 = 364.27/x
3. Step 3: Cross multiply
   1,057.98x = 1,585.24 × 364.27
4. Step 4: Simplify right side
   1,057.98x = 577,455.37
5. Step 5: Solve for x
   x = 577,455.37/1,057.98
6. Step 6: Final answer
   x = 545.81