Finding the Fourth Proportional to 11,892.72, 17,831.25 and 4,488.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.72 : 17,831.25 = 4,488.24 : x
2. Step 2: Convert to fraction form
   11,892.72/17,831.25 = 4,488.24/x
3. Step 3: Cross multiply
   11,892.72x = 17,831.25 × 4,488.24
4. Step 4: Simplify right side
   11,892.72x = 80,030,929.50
5. Step 5: Solve for x
   x = 80,030,929.50/11,892.72
6. Step 6: Final answer
   x = 6,729.41