Finding the Fourth Proportional to 8,426.77, 12,629.90 and 5,962.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426.77 : 12,629.90 = 5,962.30 : x
2. Step 2: Convert to fraction form
   8,426.77/12,629.90 = 5,962.30/x
3. Step 3: Cross multiply
   8,426.77x = 12,629.90 × 5,962.30
4. Step 4: Simplify right side
   8,426.77x = 75,303,189.62
5. Step 5: Solve for x
   x = 75,303,189.62/8,426.77
6. Step 6: Final answer
   x = 8,936.19