Finding the Fourth Proportional to 1,615.20, 2,424.89 and 1,096.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615.20 : 2,424.89 = 1,096.46 : x
2. Step 2: Convert to fraction form
   1,615.20/2,424.89 = 1,096.46/x
3. Step 3: Cross multiply
   1,615.20x = 2,424.89 × 1,096.46
4. Step 4: Simplify right side
   1,615.20x = 2,658,794.89
5. Step 5: Solve for x
   x = 2,658,794.89/1,615.20
6. Step 6: Final answer
   x = 1,646.11