Finding the Fourth Proportional to 2,454.37, 3,680.46 and 893.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.37 : 3,680.46 = 893.86 : x
2. Step 2: Convert to fraction form
   2,454.37/3,680.46 = 893.86/x
3. Step 3: Cross multiply
   2,454.37x = 3,680.46 × 893.86
4. Step 4: Simplify right side
   2,454.37x = 3,289,806.77
5. Step 5: Solve for x
   x = 3,289,806.77/2,454.37
6. Step 6: Final answer
   x = 1,340.39