Finding the Fourth Proportional to 3,436.55, 5,155.12 and 1,096.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.55 : 5,155.12 = 1,096.89 : x
2. Step 2: Convert to fraction form
   3,436.55/5,155.12 = 1,096.89/x
3. Step 3: Cross multiply
   3,436.55x = 5,155.12 × 1,096.89
4. Step 4: Simplify right side
   3,436.55x = 5,654,599.58
5. Step 5: Solve for x
   x = 5,654,599.58/3,436.55
6. Step 6: Final answer
   x = 1,645.43