Finding the Fourth Proportional to 4,048.14, 5,590.81 and 3,162.61

Step by Step Solution

1. Step 1: Write the proportion equation
   4,048.14 : 5,590.81 = 3,162.61 : x
2. Step 2: Convert to fraction form
   4,048.14/5,590.81 = 3,162.61/x
3. Step 3: Cross multiply
   4,048.14x = 5,590.81 × 3,162.61
4. Step 4: Simplify right side
   4,048.14x = 17,681,551.61
5. Step 5: Solve for x
   x = 17,681,551.61/4,048.14
6. Step 6: Final answer
   x = 4,367.82