Finding the Fourth Proportional to 10,021.91, 15,016.44 and 5,336.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.91 : 15,016.44 = 5,336.94 : x
2. Step 2: Convert to fraction form
   10,021.91/15,016.44 = 5,336.94/x
3. Step 3: Cross multiply
   10,021.91x = 15,016.44 × 5,336.94
4. Step 4: Simplify right side
   10,021.91x = 80,141,839.29
5. Step 5: Solve for x
   x = 80,141,839.29/10,021.91
6. Step 6: Final answer
   x = 7,996.67