Finding the Fourth Proportional to 5,815.31, 8,021.86 and 3,795.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,815.31 : 8,021.86 = 3,795.86 : x
2. Step 2: Convert to fraction form
   5,815.31/8,021.86 = 3,795.86/x
3. Step 3: Cross multiply
   5,815.31x = 8,021.86 × 3,795.86
4. Step 4: Simplify right side
   5,815.31x = 30,449,868.06
5. Step 5: Solve for x
   x = 30,449,868.06/5,815.31
6. Step 6: Final answer
   x = 5,236.16