Finding the Fourth Proportional to 12,100.38, 18,142.68 and 5,084.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.38 : 18,142.68 = 5,084.88 : x
2. Step 2: Convert to fraction form
   12,100.38/18,142.68 = 5,084.88/x
3. Step 3: Cross multiply
   12,100.38x = 18,142.68 × 5,084.88
4. Step 4: Simplify right side
   12,100.38x = 92,253,350.68
5. Step 5: Solve for x
   x = 92,253,350.68/12,100.38
6. Step 6: Final answer
   x = 7,624.00