Finding the Fourth Proportional to 8,081.82, 12,124.56 and 2,238.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.82 : 12,124.56 = 2,238.90 : x
2. Step 2: Convert to fraction form
   8,081.82/12,124.56 = 2,238.90/x
3. Step 3: Cross multiply
   8,081.82x = 12,124.56 × 2,238.90
4. Step 4: Simplify right side
   8,081.82x = 27,145,677.38
5. Step 5: Solve for x
   x = 27,145,677.38/8,081.82
6. Step 6: Final answer
   x = 3,358.86