Finding the Fourth Proportional to 3,436.56, 5,155.12 and 1,096.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.56 : 5,155.12 = 1,096.88 : x
2. Step 2: Convert to fraction form
   3,436.56/5,155.12 = 1,096.88/x
3. Step 3: Cross multiply
   3,436.56x = 5,155.12 × 1,096.88
4. Step 4: Simplify right side
   3,436.56x = 5,654,548.03
5. Step 5: Solve for x
   x = 5,654,548.03/3,436.56
6. Step 6: Final answer
   x = 1,645.41