Finding the Fourth Proportional to 2,688.95, 4,033.99 and 1,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.95 : 4,033.99 = 1,355.50 : x
2. Step 2: Convert to fraction form
   2,688.95/4,033.99 = 1,355.50/x
3. Step 3: Cross multiply
   2,688.95x = 4,033.99 × 1,355.50
4. Step 4: Simplify right side
   2,688.95x = 5,468,049.89
5. Step 5: Solve for x
   x = 5,468,049.89/2,688.95
6. Step 6: Final answer
   x = 2,033.52