Finding the Fourth Proportional to 6,734.72, 10,103.72 and 2,117.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,734.72 : 10,103.72 = 2,117.72 : x
2. Step 2: Convert to fraction form
   6,734.72/10,103.72 = 2,117.72/x
3. Step 3: Cross multiply
   6,734.72x = 10,103.72 × 2,117.72
4. Step 4: Simplify right side
   6,734.72x = 21,396,849.92
5. Step 5: Solve for x
   x = 21,396,849.92/6,734.72
6. Step 6: Final answer
   x = 3,177.10