Finding the Fourth Proportional to 2,688.50, 3,709.79 and 1,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.50 : 3,709.79 = 1,493.48 : x
2. Step 2: Convert to fraction form
   2,688.50/3,709.79 = 1,493.48/x
3. Step 3: Cross multiply
   2,688.50x = 3,709.79 × 1,493.48
4. Step 4: Simplify right side
   2,688.50x = 5,540,471.15
5. Step 5: Solve for x
   x = 5,540,471.15/2,688.50
6. Step 6: Final answer
   x = 2,060.81