Finding the Fourth Proportional to 2,454.72, 3,680.92 and 893.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.72 : 3,680.92 = 893.63 : x
2. Step 2: Convert to fraction form
   2,454.72/3,680.92 = 893.63/x
3. Step 3: Cross multiply
   2,454.72x = 3,680.92 × 893.63
4. Step 4: Simplify right side
   2,454.72x = 3,289,380.54
5. Step 5: Solve for x
   x = 3,289,380.54/2,454.72
6. Step 6: Final answer
   x = 1,340.02