Finding the Fourth Proportional to 3,400.72, 5,101.32 and 1,092.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,400.72 : 5,101.32 = 1,092.08 : x
2. Step 2: Convert to fraction form
   3,400.72/5,101.32 = 1,092.08/x
3. Step 3: Cross multiply
   3,400.72x = 5,101.32 × 1,092.08
4. Step 4: Simplify right side
   3,400.72x = 5,571,049.55
5. Step 5: Solve for x
   x = 5,571,049.55/3,400.72
6. Step 6: Final answer
   x = 1,638.20