Finding the Fourth Proportional to 11,005.65, 15,163.98 and 7,462.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,005.65 : 15,163.98 = 7,462.71 : x
2. Step 2: Convert to fraction form
   11,005.65/15,163.98 = 7,462.71/x
3. Step 3: Cross multiply
   11,005.65x = 15,163.98 × 7,462.71
4. Step 4: Simplify right side
   11,005.65x = 113,164,385.19
5. Step 5: Solve for x
   x = 113,164,385.19/11,005.65
6. Step 6: Final answer
   x = 10,282.39