Finding the Fourth Proportional to 2,479.28, 3,718.71 and 630.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.28 : 3,718.71 = 630.32 : x
2. Step 2: Convert to fraction form
   2,479.28/3,718.71 = 630.32/x
3. Step 3: Cross multiply
   2,479.28x = 3,718.71 × 630.32
4. Step 4: Simplify right side
   2,479.28x = 2,343,958.69
5. Step 5: Solve for x
   x = 2,343,958.69/2,479.28
6. Step 6: Final answer
   x = 945.42