Finding the Fourth Proportional to 3,336.15, 5,005.17 and 3,336.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,336.15 : 5,005.17 = 3,336.15 : x
2. Step 2: Convert to fraction form
   3,336.15/5,005.17 = 3,336.15/x
3. Step 3: Cross multiply
   3,336.15x = 5,005.17 × 3,336.15
4. Step 4: Simplify right side
   3,336.15x = 16,697,997.90
5. Step 5: Solve for x
   x = 16,697,997.90/3,336.15
6. Step 6: Final answer
   x = 5,005.17