Finding the Fourth Proportional to 2,974.18, 4,103.98 and 1,715.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.18 : 4,103.98 = 1,715.28 : x
2. Step 2: Convert to fraction form
   2,974.18/4,103.98 = 1,715.28/x
3. Step 3: Cross multiply
   2,974.18x = 4,103.98 × 1,715.28
4. Step 4: Simplify right side
   2,974.18x = 7,039,470.53
5. Step 5: Solve for x
   x = 7,039,470.53/2,974.18
6. Step 6: Final answer
   x = 2,366.86