Finding the Fourth Proportional to 10,648.02, 15,939.18 and 6,942.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,648.02 : 15,939.18 = 6,942.27 : x
2. Step 2: Convert to fraction form
   10,648.02/15,939.18 = 6,942.27/x
3. Step 3: Cross multiply
   10,648.02x = 15,939.18 × 6,942.27
4. Step 4: Simplify right side
   10,648.02x = 110,654,091.14
5. Step 5: Solve for x
   x = 110,654,091.14/10,648.02
6. Step 6: Final answer
   x = 10,391.99