Finding the Fourth Proportional to 10,017.96, 15,022.38 and 5,336.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.96 : 15,022.38 = 5,336.78 : x
2. Step 2: Convert to fraction form
   10,017.96/15,022.38 = 5,336.78/x
3. Step 3: Cross multiply
   10,017.96x = 15,022.38 × 5,336.78
4. Step 4: Simplify right side
   10,017.96x = 80,171,137.14
5. Step 5: Solve for x
   x = 80,171,137.14/10,017.96
6. Step 6: Final answer
   x = 8,002.74