Finding the Fourth Proportional to 5,815.03, 8,021.85 and 3,926.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,815.03 : 8,021.85 = 3,926.69 : x
2. Step 2: Convert to fraction form
   5,815.03/8,021.85 = 3,926.69/x
3. Step 3: Cross multiply
   5,815.03x = 8,021.85 × 3,926.69
4. Step 4: Simplify right side
   5,815.03x = 31,499,310.23
5. Step 5: Solve for x
   x = 31,499,310.23/5,815.03
6. Step 6: Final answer
   x = 5,416.88