Finding the Fourth Proportional to 3,423.37, 4,724.25 and 1,931.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,423.37 : 4,724.25 = 1,931.29 : x
2. Step 2: Convert to fraction form
   3,423.37/4,724.25 = 1,931.29/x
3. Step 3: Cross multiply
   3,423.37x = 4,724.25 × 1,931.29
4. Step 4: Simplify right side
   3,423.37x = 9,123,863.50
5. Step 5: Solve for x
   x = 9,123,863.50/3,423.37
6. Step 6: Final answer
   x = 2,665.17