Finding the Fourth Proportional to 2,453.72, 3,680.91 and 893.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.72 : 3,680.91 = 893.52 : x
2. Step 2: Convert to fraction form
   2,453.72/3,680.91 = 893.52/x
3. Step 3: Cross multiply
   2,453.72x = 3,680.91 × 893.52
4. Step 4: Simplify right side
   2,453.72x = 3,288,966.70
5. Step 5: Solve for x
   x = 3,288,966.70/2,453.72
6. Step 6: Final answer
   x = 1,340.40