Finding the Fourth Proportional to 5,811.16, 8,015.34 and 3,821.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,811.16 : 8,015.34 = 3,821.08 : x
2. Step 2: Convert to fraction form
   5,811.16/8,015.34 = 3,821.08/x
3. Step 3: Cross multiply
   5,811.16x = 8,015.34 × 3,821.08
4. Step 4: Simplify right side
   5,811.16x = 30,627,255.37
5. Step 5: Solve for x
   x = 30,627,255.37/5,811.16
6. Step 6: Final answer
   x = 5,270.42