Finding the Fourth Proportional to 2,377.89, 3,280.47 and 1,369.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.89 : 3,280.47 = 1,369.37 : x
2. Step 2: Convert to fraction form
   2,377.89/3,280.47 = 1,369.37/x
3. Step 3: Cross multiply
   2,377.89x = 3,280.47 × 1,369.37
4. Step 4: Simplify right side
   2,377.89x = 4,492,180.27
5. Step 5: Solve for x
   x = 4,492,180.27/2,377.89
6. Step 6: Final answer
   x = 1,889.15