Finding the Fourth Proportional to 2,974.55, 4,105.46 and 1,715.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.55 : 4,105.46 = 1,715.56 : x
2. Step 2: Convert to fraction form
   2,974.55/4,105.46 = 1,715.56/x
3. Step 3: Cross multiply
   2,974.55x = 4,105.46 × 1,715.56
4. Step 4: Simplify right side
   2,974.55x = 7,043,144.12
5. Step 5: Solve for x
   x = 7,043,144.12/2,974.55
6. Step 6: Final answer
   x = 2,367.81