Finding the Fourth Proportional to 18,411.06, 27,618.17 and 5,084.05

Step by Step Solution

1. Step 1: Write the proportion equation
   18,411.06 : 27,618.17 = 5,084.05 : x
2. Step 2: Convert to fraction form
   18,411.06/27,618.17 = 5,084.05/x
3. Step 3: Cross multiply
   18,411.06x = 27,618.17 × 5,084.05
4. Step 4: Simplify right side
   18,411.06x = 140,412,019.10
5. Step 5: Solve for x
   x = 140,412,019.10/18,411.06
6. Step 6: Final answer
   x = 7,626.51