Finding the Fourth Proportional to 11,716.06, 17,581.86 and 5,476.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,716.06 : 17,581.86 = 5,476.56 : x
2. Step 2: Convert to fraction form
   11,716.06/17,581.86 = 5,476.56/x
3. Step 3: Cross multiply
   11,716.06x = 17,581.86 × 5,476.56
4. Step 4: Simplify right side
   11,716.06x = 96,288,111.20
5. Step 5: Solve for x
   x = 96,288,111.20/11,716.06
6. Step 6: Final answer
   x = 8,218.47