Finding the Fourth Proportional to 2,410.64, 3,613.48 and 949.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.64 : 3,613.48 = 949.20 : x
2. Step 2: Convert to fraction form
   2,410.64/3,613.48 = 949.20/x
3. Step 3: Cross multiply
   2,410.64x = 3,613.48 × 949.20
4. Step 4: Simplify right side
   2,410.64x = 3,429,915.22
5. Step 5: Solve for x
   x = 3,429,915.22/2,410.64
6. Step 6: Final answer
   x = 1,422.82