Finding the Fourth Proportional to 11,632.72, 16,057.56 and 6,919.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,632.72 : 16,057.56 = 6,919.60 : x
2. Step 2: Convert to fraction form
   11,632.72/16,057.56 = 6,919.60/x
3. Step 3: Cross multiply
   11,632.72x = 16,057.56 × 6,919.60
4. Step 4: Simplify right side
   11,632.72x = 111,111,892.18
5. Step 5: Solve for x
   x = 111,111,892.18/11,632.72
6. Step 6: Final answer
   x = 9,551.67