Finding the Fourth Proportional to 6,738.72, 10,108.71 and 2,789.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,738.72 : 10,108.71 = 2,789.16 : x
2. Step 2: Convert to fraction form
   6,738.72/10,108.71 = 2,789.16/x
3. Step 3: Cross multiply
   6,738.72x = 10,108.71 × 2,789.16
4. Step 4: Simplify right side
   6,738.72x = 28,194,809.58
5. Step 5: Solve for x
   x = 28,194,809.58/6,738.72
6. Step 6: Final answer
   x = 4,184.00