Finding the Fourth Proportional to 7,249.08, 10,869.45 and 3,867.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,249.08 : 10,869.45 = 3,867.72 : x
2. Step 2: Convert to fraction form
   7,249.08/10,869.45 = 3,867.72/x
3. Step 3: Cross multiply
   7,249.08x = 10,869.45 × 3,867.72
4. Step 4: Simplify right side
   7,249.08x = 42,039,989.15
5. Step 5: Solve for x
   x = 42,039,989.15/7,249.08
6. Step 6: Final answer
   x = 5,799.36