Finding the Fourth Proportional to 11,831.82, 16,322.89 and 7,581.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,831.82 : 16,322.89 = 7,581.52 : x
2. Step 2: Convert to fraction form
   11,831.82/16,322.89 = 7,581.52/x
3. Step 3: Cross multiply
   11,831.82x = 16,322.89 × 7,581.52
4. Step 4: Simplify right side
   11,831.82x = 123,752,316.99
5. Step 5: Solve for x
   x = 123,752,316.99/11,831.82
6. Step 6: Final answer
   x = 10,459.28