Finding the Fourth Proportional to 3,698.10, 5,545.78 and 1,064.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.10 : 5,545.78 = 1,064.71 : x
2. Step 2: Convert to fraction form
   3,698.10/5,545.78 = 1,064.71/x
3. Step 3: Cross multiply
   3,698.10x = 5,545.78 × 1,064.71
4. Step 4: Simplify right side
   3,698.10x = 5,904,664.89
5. Step 5: Solve for x
   x = 5,904,664.89/3,698.10
6. Step 6: Final answer
   x = 1,596.68