Finding the Fourth Proportional to 10,018.36, 15,022.95 and 5,337.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.36 : 15,022.95 = 5,337.15 : x
2. Step 2: Convert to fraction form
   10,018.36/15,022.95 = 5,337.15/x
3. Step 3: Cross multiply
   10,018.36x = 15,022.95 × 5,337.15
4. Step 4: Simplify right side
   10,018.36x = 80,179,737.59
5. Step 5: Solve for x
   x = 80,179,737.59/10,018.36
6. Step 6: Final answer
   x = 8,003.28