Finding the Fourth Proportional to 2,609.30, 3,915.48 and 1,049.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.30 : 3,915.48 = 1,049.64 : x
2. Step 2: Convert to fraction form
   2,609.30/3,915.48 = 1,049.64/x
3. Step 3: Cross multiply
   2,609.30x = 3,915.48 × 1,049.64
4. Step 4: Simplify right side
   2,609.30x = 4,109,844.43
5. Step 5: Solve for x
   x = 4,109,844.43/2,609.30
6. Step 6: Final answer
   x = 1,575.08