Finding the Fourth Proportional to 10,628.32, 16,004.22 and 7,874.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,628.32 : 16,004.22 = 7,874.52 : x
2. Step 2: Convert to fraction form
   10,628.32/16,004.22 = 7,874.52/x
3. Step 3: Cross multiply
   10,628.32x = 16,004.22 × 7,874.52
4. Step 4: Simplify right side
   10,628.32x = 126,025,550.47
5. Step 5: Solve for x
   x = 126,025,550.47/10,628.32
6. Step 6: Final answer
   x = 11,857.52