Finding the Fourth Proportional to 2,377.17, 3,280.41 and 1,329.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.17 : 3,280.41 = 1,329.21 : x
2. Step 2: Convert to fraction form
   2,377.17/3,280.41 = 1,329.21/x
3. Step 3: Cross multiply
   2,377.17x = 3,280.41 × 1,329.21
4. Step 4: Simplify right side
   2,377.17x = 4,360,353.78
5. Step 5: Solve for x
   x = 4,360,353.78/2,377.17
6. Step 6: Final answer
   x = 1,834.26