Finding the Fourth Proportional to 2,614.46, 3,919.18 and 970.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.46 : 3,919.18 = 970.57 : x
2. Step 2: Convert to fraction form
   2,614.46/3,919.18 = 970.57/x
3. Step 3: Cross multiply
   2,614.46x = 3,919.18 × 970.57
4. Step 4: Simplify right side
   2,614.46x = 3,803,838.53
5. Step 5: Solve for x
   x = 3,803,838.53/2,614.46
6. Step 6: Final answer
   x = 1,454.92