Finding the Fourth Proportional to 7,057.74, 10,590.71 and 3,162.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,057.74 : 10,590.71 = 3,162.15 : x
2. Step 2: Convert to fraction form
   7,057.74/10,590.71 = 3,162.15/x
3. Step 3: Cross multiply
   7,057.74x = 10,590.71 × 3,162.15
4. Step 4: Simplify right side
   7,057.74x = 33,489,369.96
5. Step 5: Solve for x
   x = 33,489,369.96/7,057.74
6. Step 6: Final answer
   x = 4,745.06