Finding the Fourth Proportional to 11,068.38, 15,266.88 and 8,706.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,068.38 : 15,266.88 = 8,706.42 : x
2. Step 2: Convert to fraction form
   11,068.38/15,266.88 = 8,706.42/x
3. Step 3: Cross multiply
   11,068.38x = 15,266.88 × 8,706.42
4. Step 4: Simplify right side
   11,068.38x = 132,919,869.37
5. Step 5: Solve for x
   x = 132,919,869.37/11,068.38
6. Step 6: Final answer
   x = 12,008.97