Finding the Fourth Proportional to 2,974.42, 4,105.28 and 1,715.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.42 : 4,105.28 = 1,715.43 : x
2. Step 2: Convert to fraction form
   2,974.42/4,105.28 = 1,715.43/x
3. Step 3: Cross multiply
   2,974.42x = 4,105.28 × 1,715.43
4. Step 4: Simplify right side
   2,974.42x = 7,042,320.47
5. Step 5: Solve for x
   x = 7,042,320.47/2,974.42
6. Step 6: Final answer
   x = 2,367.63