Finding the Fourth Proportional to 3,911.10, 5,858.37 and 3,632.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,911.10 : 5,858.37 = 3,632.28 : x
2. Step 2: Convert to fraction form
   3,911.10/5,858.37 = 3,632.28/x
3. Step 3: Cross multiply
   3,911.10x = 5,858.37 × 3,632.28
4. Step 4: Simplify right side
   3,911.10x = 21,279,240.18
5. Step 5: Solve for x
   x = 21,279,240.18/3,911.10
6. Step 6: Final answer
   x = 5,440.73