Finding the Fourth Proportional to 2,688.56, 3,710.39 and 1,493.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.56 : 3,710.39 = 1,493.72 : x
2. Step 2: Convert to fraction form
   2,688.56/3,710.39 = 1,493.72/x
3. Step 3: Cross multiply
   2,688.56x = 3,710.39 × 1,493.72
4. Step 4: Simplify right side
   2,688.56x = 5,542,283.75
5. Step 5: Solve for x
   x = 5,542,283.75/2,688.56
6. Step 6: Final answer
   x = 2,061.43