Finding the Fourth Proportional to 12,249.86, 18,375.64 and 4,854.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,249.86 : 18,375.64 = 4,854.29 : x
2. Step 2: Convert to fraction form
   12,249.86/18,375.64 = 4,854.29/x
3. Step 3: Cross multiply
   12,249.86x = 18,375.64 × 4,854.29
4. Step 4: Simplify right side
   12,249.86x = 89,200,719.30
5. Step 5: Solve for x
   x = 89,200,719.30/12,249.86
6. Step 6: Final answer
   x = 7,281.78