Finding the Fourth Proportional to 6,401.67, 8,834.89 and 3,884.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.67 : 8,834.89 = 3,884.42 : x
2. Step 2: Convert to fraction form
   6,401.67/8,834.89 = 3,884.42/x
3. Step 3: Cross multiply
   6,401.67x = 8,834.89 × 3,884.42
4. Step 4: Simplify right side
   6,401.67x = 34,318,423.41
5. Step 5: Solve for x
   x = 34,318,423.41/6,401.67
6. Step 6: Final answer
   x = 5,360.85