Finding the Fourth Proportional to 11,213.78, 15,362.94 and 10,793.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,213.78 : 15,362.94 = 10,793.38 : x
2. Step 2: Convert to fraction form
   11,213.78/15,362.94 = 10,793.38/x
3. Step 3: Cross multiply
   11,213.78x = 15,362.94 × 10,793.38
4. Step 4: Simplify right side
   11,213.78x = 165,818,049.34
5. Step 5: Solve for x
   x = 165,818,049.34/11,213.78
6. Step 6: Final answer
   x = 14,786.99