Finding the Fourth Proportional to 11,443.74, 15,757.25 and 10,019.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.74 : 15,757.25 = 10,019.46 : x
2. Step 2: Convert to fraction form
   11,443.74/15,757.25 = 10,019.46/x
3. Step 3: Cross multiply
   11,443.74x = 15,757.25 × 10,019.46
4. Step 4: Simplify right side
   11,443.74x = 157,879,136.09
5. Step 5: Solve for x
   x = 157,879,136.09/11,443.74
6. Step 6: Final answer
   x = 13,796.11