Finding the Fourth Proportional to 8,172.09, 12,265.83 and 5,834.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,172.09 : 12,265.83 = 5,834.43 : x
2. Step 2: Convert to fraction form
   8,172.09/12,265.83 = 5,834.43/x
3. Step 3: Cross multiply
   8,172.09x = 12,265.83 × 5,834.43
4. Step 4: Simplify right side
   8,172.09x = 71,564,126.53
5. Step 5: Solve for x
   x = 71,564,126.53/8,172.09
6. Step 6: Final answer
   x = 8,757.14