Finding the Fourth Proportional to 2,469.72, 3,407.24 and 1,630.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.72 : 3,407.24 = 1,630.88 : x
2. Step 2: Convert to fraction form
   2,469.72/3,407.24 = 1,630.88/x
3. Step 3: Cross multiply
   2,469.72x = 3,407.24 × 1,630.88
4. Step 4: Simplify right side
   2,469.72x = 5,556,799.57
5. Step 5: Solve for x
   x = 5,556,799.57/2,469.72
6. Step 6: Final answer
   x = 2,249.97