Finding the Fourth Proportional to 8,005.17, 12,003.79 and 2,738.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,005.17 : 12,003.79 = 2,738.69 : x
2. Step 2: Convert to fraction form
   8,005.17/12,003.79 = 2,738.69/x
3. Step 3: Cross multiply
   8,005.17x = 12,003.79 × 2,738.69
4. Step 4: Simplify right side
   8,005.17x = 32,874,710.44
5. Step 5: Solve for x
   x = 32,874,710.44/8,005.17
6. Step 6: Final answer
   x = 4,106.68