Finding the Fourth Proportional to 11,892.79, 16,404.63 and 7,649.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.79 : 16,404.63 = 7,649.38 : x
2. Step 2: Convert to fraction form
   11,892.79/16,404.63 = 7,649.38/x
3. Step 3: Cross multiply
   11,892.79x = 16,404.63 × 7,649.38
4. Step 4: Simplify right side
   11,892.79x = 125,485,240.45
5. Step 5: Solve for x
   x = 125,485,240.45/11,892.79
6. Step 6: Final answer
   x = 10,551.37