Finding the Fourth Proportional to 11,091.62, 15,285.39 and 7,942.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.62 : 15,285.39 = 7,942.34 : x
2. Step 2: Convert to fraction form
   11,091.62/15,285.39 = 7,942.34/x
3. Step 3: Cross multiply
   11,091.62x = 15,285.39 × 7,942.34
4. Step 4: Simplify right side
   11,091.62x = 121,401,764.41
5. Step 5: Solve for x
   x = 121,401,764.41/11,091.62
6. Step 6: Final answer
   x = 10,945.36