Finding the Fourth Proportional to 3,398.54, 5,096.72 and 1,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,398.54 : 5,096.72 = 1,089.50 : x
2. Step 2: Convert to fraction form
   3,398.54/5,096.72 = 1,089.50/x
3. Step 3: Cross multiply
   3,398.54x = 5,096.72 × 1,089.50
4. Step 4: Simplify right side
   3,398.54x = 5,552,876.44
5. Step 5: Solve for x
   x = 5,552,876.44/3,398.54
6. Step 6: Final answer
   x = 1,633.90