Finding the Fourth Proportional to 11,066.18, 15,290.78 and 8,846.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,066.18 : 15,290.78 = 8,846.37 : x
2. Step 2: Convert to fraction form
   11,066.18/15,290.78 = 8,846.37/x
3. Step 3: Cross multiply
   11,066.18x = 15,290.78 × 8,846.37
4. Step 4: Simplify right side
   11,066.18x = 135,267,853.24
5. Step 5: Solve for x
   x = 135,267,853.24/11,066.18
6. Step 6: Final answer
   x = 12,223.54