Finding the Fourth Proportional to 2,377.72, 3,280.93 and 1,329.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.72 : 3,280.93 = 1,329.85 : x
2. Step 2: Convert to fraction form
   2,377.72/3,280.93 = 1,329.85/x
3. Step 3: Cross multiply
   2,377.72x = 3,280.93 × 1,329.85
4. Step 4: Simplify right side
   2,377.72x = 4,363,144.76
5. Step 5: Solve for x
   x = 4,363,144.76/2,377.72
6. Step 6: Final answer
   x = 1,835.01