Finding the Fourth Proportional to 3,423.72, 5,137.17 and 1,084.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,423.72 : 5,137.17 = 1,084.08 : x
2. Step 2: Convert to fraction form
   3,423.72/5,137.17 = 1,084.08/x
3. Step 3: Cross multiply
   3,423.72x = 5,137.17 × 1,084.08
4. Step 4: Simplify right side
   3,423.72x = 5,569,124.55
5. Step 5: Solve for x
   x = 5,569,124.55/3,423.72
6. Step 6: Final answer
   x = 1,626.63