Finding the Fourth Proportional to 11,048.56, 15,229.31 and 7,462.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,048.56 : 15,229.31 = 7,462.40 : x
2. Step 2: Convert to fraction form
   11,048.56/15,229.31 = 7,462.40/x
3. Step 3: Cross multiply
   11,048.56x = 15,229.31 × 7,462.40
4. Step 4: Simplify right side
   11,048.56x = 113,647,131.46
5. Step 5: Solve for x
   x = 113,647,131.46/11,048.56
6. Step 6: Final answer
   x = 10,286.15