Finding the Fourth Proportional to 11,066.69, 15,255.92 and 8,941.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,066.69 : 15,255.92 = 8,941.79 : x
2. Step 2: Convert to fraction form
   11,066.69/15,255.92 = 8,941.79/x
3. Step 3: Cross multiply
   11,066.69x = 15,255.92 × 8,941.79
4. Step 4: Simplify right side
   11,066.69x = 136,415,111.91
5. Step 5: Solve for x
   x = 136,415,111.91/11,066.69
6. Step 6: Final answer
   x = 12,326.65