Finding the Fourth Proportional to 11,223.49, 16,831.59 and 5,299.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,223.49 : 16,831.59 = 5,299.46 : x
2. Step 2: Convert to fraction form
   11,223.49/16,831.59 = 5,299.46/x
3. Step 3: Cross multiply
   11,223.49x = 16,831.59 × 5,299.46
4. Step 4: Simplify right side
   11,223.49x = 89,198,337.94
5. Step 5: Solve for x
   x = 89,198,337.94/11,223.49
6. Step 6: Final answer
   x = 7,947.47