Finding the Fourth Proportional to 2,974.79, 4,104.78 and 1,715.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.79 : 4,104.78 = 1,715.67 : x
2. Step 2: Convert to fraction form
   2,974.79/4,104.78 = 1,715.67/x
3. Step 3: Cross multiply
   2,974.79x = 4,104.78 × 1,715.67
4. Step 4: Simplify right side
   2,974.79x = 7,042,447.90
5. Step 5: Solve for x
   x = 7,042,447.90/2,974.79
6. Step 6: Final answer
   x = 2,367.38