Finding the Fourth Proportional to 18,085.10, 27,131.52 and 5,604.85

Step by Step Solution

1. Step 1: Write the proportion equation
   18,085.10 : 27,131.52 = 5,604.85 : x
2. Step 2: Convert to fraction form
   18,085.10/27,131.52 = 5,604.85/x
3. Step 3: Cross multiply
   18,085.10x = 27,131.52 × 5,604.85
4. Step 4: Simplify right side
   18,085.10x = 152,068,154.80
5. Step 5: Solve for x
   x = 152,068,154.80/18,085.10
6. Step 6: Final answer
   x = 8,408.48