Finding the Fourth Proportional to 11,066.97, 16,587.09 and 5,521.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,066.97 : 16,587.09 = 5,521.71 : x
2. Step 2: Convert to fraction form
   11,066.97/16,587.09 = 5,521.71/x
3. Step 3: Cross multiply
   11,066.97x = 16,587.09 × 5,521.71
4. Step 4: Simplify right side
   11,066.97x = 91,589,100.72
5. Step 5: Solve for x
   x = 91,589,100.72/11,066.97
6. Step 6: Final answer
   x = 8,275.90