Finding the Fourth Proportional to 2,856.72, 3,942.56 and 1,737.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.72 : 3,942.56 = 1,737.56 : x
2. Step 2: Convert to fraction form
   2,856.72/3,942.56 = 1,737.56/x
3. Step 3: Cross multiply
   2,856.72x = 3,942.56 × 1,737.56
4. Step 4: Simplify right side
   2,856.72x = 6,850,434.55
5. Step 5: Solve for x
   x = 6,850,434.55/2,856.72
6. Step 6: Final answer
   x = 2,398.01