Finding the Fourth Proportional to 8,238.29, 12,353.33 and 2,690.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,238.29 : 12,353.33 = 2,690.91 : x
2. Step 2: Convert to fraction form
   8,238.29/12,353.33 = 2,690.91/x
3. Step 3: Cross multiply
   8,238.29x = 12,353.33 × 2,690.91
4. Step 4: Simplify right side
   8,238.29x = 33,241,685.78
5. Step 5: Solve for x
   x = 33,241,685.78/8,238.29
6. Step 6: Final answer
   x = 4,035.02