Finding the Fourth Proportional to 8,081.84, 12,123.60 and 2,238.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.84 : 12,123.60 = 2,238.45 : x
2. Step 2: Convert to fraction form
   8,081.84/12,123.60 = 2,238.45/x
3. Step 3: Cross multiply
   8,081.84x = 12,123.60 × 2,238.45
4. Step 4: Simplify right side
   8,081.84x = 27,138,072.42
5. Step 5: Solve for x
   x = 27,138,072.42/8,081.84
6. Step 6: Final answer
   x = 3,357.91