Finding the Fourth Proportional to 2,377.38, 3,280.73 and 1,329.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.38 : 3,280.73 = 1,329.54 : x
2. Step 2: Convert to fraction form
   2,377.38/3,280.73 = 1,329.54/x
3. Step 3: Cross multiply
   2,377.38x = 3,280.73 × 1,329.54
4. Step 4: Simplify right side
   2,377.38x = 4,361,861.76
5. Step 5: Solve for x
   x = 4,361,861.76/2,377.38
6. Step 6: Final answer
   x = 1,834.73