Finding the Fourth Proportional to 6,401.86, 8,834.73 and 3,530.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.86 : 8,834.73 = 3,530.68 : x
2. Step 2: Convert to fraction form
   6,401.86/8,834.73 = 3,530.68/x
3. Step 3: Cross multiply
   6,401.86x = 8,834.73 × 3,530.68
4. Step 4: Simplify right side
   6,401.86x = 31,192,604.52
5. Step 5: Solve for x
   x = 31,192,604.52/6,401.86
6. Step 6: Final answer
   x = 4,872.43