Finding the Fourth Proportional to 10,103.02, 13,942.11 and 5,911.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103.02 : 13,942.11 = 5,911.18 : x
2. Step 2: Convert to fraction form
   10,103.02/13,942.11 = 5,911.18/x
3. Step 3: Cross multiply
   10,103.02x = 13,942.11 × 5,911.18
4. Step 4: Simplify right side
   10,103.02x = 82,414,321.79
5. Step 5: Solve for x
   x = 82,414,321.79/10,103.02
6. Step 6: Final answer
   x = 8,157.39