Finding the Fourth Proportional to 6,491.83, 8,958.18 and 3,658.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,491.83 : 8,958.18 = 3,658.30 : x
2. Step 2: Convert to fraction form
   6,491.83/8,958.18 = 3,658.30/x
3. Step 3: Cross multiply
   6,491.83x = 8,958.18 × 3,658.30
4. Step 4: Simplify right side
   6,491.83x = 32,771,709.89
5. Step 5: Solve for x
   x = 32,771,709.89/6,491.83
6. Step 6: Final answer
   x = 5,048.15