Finding the Fourth Proportional to 11,443.24, 15,756.56 and 10,018.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.24 : 15,756.56 = 10,018.96 : x
2. Step 2: Convert to fraction form
   11,443.24/15,756.56 = 10,018.96/x
3. Step 3: Cross multiply
   11,443.24x = 15,756.56 × 10,018.96
4. Step 4: Simplify right side
   11,443.24x = 157,864,344.38
5. Step 5: Solve for x
   x = 157,864,344.38/11,443.24
6. Step 6: Final answer
   x = 13,795.42