Finding the Fourth Proportional to 18,334.10, 27,498.69 and 5,187.62

Step by Step Solution

1. Step 1: Write the proportion equation
   18,334.10 : 27,498.69 = 5,187.62 : x
2. Step 2: Convert to fraction form
   18,334.10/27,498.69 = 5,187.62/x
3. Step 3: Cross multiply
   18,334.10x = 27,498.69 × 5,187.62
4. Step 4: Simplify right side
   18,334.10x = 142,652,616.72
5. Step 5: Solve for x
   x = 142,652,616.72/18,334.10
6. Step 6: Final answer
   x = 7,780.73