Finding the Fourth Proportional to 2,355.62, 3,531.56 and 893.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.62 : 3,531.56 = 893.96 : x
2. Step 2: Convert to fraction form
   2,355.62/3,531.56 = 893.96/x
3. Step 3: Cross multiply
   2,355.62x = 3,531.56 × 893.96
4. Step 4: Simplify right side
   2,355.62x = 3,157,073.38
5. Step 5: Solve for x
   x = 3,157,073.38/2,355.62
6. Step 6: Final answer
   x = 1,340.23