Finding the Fourth Proportional to 5,855.91, 8,081.31 and 3,499.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,855.91 : 8,081.31 = 3,499.43 : x
2. Step 2: Convert to fraction form
   5,855.91/8,081.31 = 3,499.43/x
3. Step 3: Cross multiply
   5,855.91x = 8,081.31 × 3,499.43
4. Step 4: Simplify right side
   5,855.91x = 28,279,938.25
5. Step 5: Solve for x
   x = 28,279,938.25/5,855.91
6. Step 6: Final answer
   x = 4,829.30