Finding the Fourth Proportional to 12,099.38, 18,141.18 and 5,083.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099.38 : 18,141.18 = 5,083.88 : x
2. Step 2: Convert to fraction form
   12,099.38/18,141.18 = 5,083.88/x
3. Step 3: Cross multiply
   12,099.38x = 18,141.18 × 5,083.88
4. Step 4: Simplify right side
   12,099.38x = 92,227,582.18
5. Step 5: Solve for x
   x = 92,227,582.18/12,099.38
6. Step 6: Final answer
   x = 7,622.50