Finding the Fourth Proportional to 10,040.10, 13,868.55 and 7,711.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,040.10 : 13,868.55 = 7,711.02 : x
2. Step 2: Convert to fraction form
   10,040.10/13,868.55 = 7,711.02/x
3. Step 3: Cross multiply
   10,040.10x = 13,868.55 × 7,711.02
4. Step 4: Simplify right side
   10,040.10x = 106,940,666.42
5. Step 5: Solve for x
   x = 106,940,666.42/10,040.10
6. Step 6: Final answer
   x = 10,651.35