Finding the Fourth Proportional to 13,404.38, 20,107.68 and 5,084.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.38 : 20,107.68 = 5,084.38 : x
2. Step 2: Convert to fraction form
   13,404.38/20,107.68 = 5,084.38/x
3. Step 3: Cross multiply
   13,404.38x = 20,107.68 × 5,084.38
4. Step 4: Simplify right side
   13,404.38x = 102,235,086.04
5. Step 5: Solve for x
   x = 102,235,086.04/13,404.38
6. Step 6: Final answer
   x = 7,626.99