Finding the Fourth Proportional to 12,367.85, 18,559.82 and 5,354.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,367.85 : 18,559.82 = 5,354.71 : x
2. Step 2: Convert to fraction form
   12,367.85/18,559.82 = 5,354.71/x
3. Step 3: Cross multiply
   12,367.85x = 18,559.82 × 5,354.71
4. Step 4: Simplify right side
   12,367.85x = 99,382,453.75
5. Step 5: Solve for x
   x = 99,382,453.75/12,367.85
6. Step 6: Final answer
   x = 8,035.55