Finding the Fourth Proportional to 11,892.48, 17,829.20 and 5,649.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.48 : 17,829.20 = 5,649.36 : x
2. Step 2: Convert to fraction form
   11,892.48/17,829.20 = 5,649.36/x
3. Step 3: Cross multiply
   11,892.48x = 17,829.20 × 5,649.36
4. Step 4: Simplify right side
   11,892.48x = 100,723,569.31
5. Step 5: Solve for x
   x = 100,723,569.31/11,892.48
6. Step 6: Final answer
   x = 8,469.52