Finding the Fourth Proportional to 5,820.29, 8,035.79 and 3,834.21

Step by Step Solution

1. Step 1: Write the proportion equation
   5,820.29 : 8,035.79 = 3,834.21 : x
2. Step 2: Convert to fraction form
   5,820.29/8,035.79 = 3,834.21/x
3. Step 3: Cross multiply
   5,820.29x = 8,035.79 × 3,834.21
4. Step 4: Simplify right side
   5,820.29x = 30,810,887.20
5. Step 5: Solve for x
   x = 30,810,887.20/5,820.29
6. Step 6: Final answer
   x = 5,293.71