Finding the Fourth Proportional to 10,778.27, 16,160.72 and 4,535.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,778.27 : 16,160.72 = 4,535.09 : x
2. Step 2: Convert to fraction form
   10,778.27/16,160.72 = 4,535.09/x
3. Step 3: Cross multiply
   10,778.27x = 16,160.72 × 4,535.09
4. Step 4: Simplify right side
   10,778.27x = 73,290,238.86
5. Step 5: Solve for x
   x = 73,290,238.86/10,778.27
6. Step 6: Final answer
   x = 6,799.81