Finding the Fourth Proportional to 5,811.12, 8,025.98 and 3,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,811.12 : 8,025.98 = 3,830.50 : x
2. Step 2: Convert to fraction form
   5,811.12/8,025.98 = 3,830.50/x
3. Step 3: Cross multiply
   5,811.12x = 8,025.98 × 3,830.50
4. Step 4: Simplify right side
   5,811.12x = 30,743,516.39
5. Step 5: Solve for x
   x = 30,743,516.39/5,811.12
6. Step 6: Final answer
   x = 5,290.46