Finding the Fourth Proportional to 11,150.32, 16,722.69 and 4,578.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,150.32 : 16,722.69 = 4,578.34 : x
2. Step 2: Convert to fraction form
   11,150.32/16,722.69 = 4,578.34/x
3. Step 3: Cross multiply
   11,150.32x = 16,722.69 × 4,578.34
4. Step 4: Simplify right side
   11,150.32x = 76,562,160.53
5. Step 5: Solve for x
   x = 76,562,160.53/11,150.32
6. Step 6: Final answer
   x = 6,866.36