Finding the Fourth Proportional to 2,469.72, 3,700.92 and 2,287.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.72 : 3,700.92 = 2,287.47 : x
2. Step 2: Convert to fraction form
   2,469.72/3,700.92 = 2,287.47/x
3. Step 3: Cross multiply
   2,469.72x = 3,700.92 × 2,287.47
4. Step 4: Simplify right side
   2,469.72x = 8,465,743.47
5. Step 5: Solve for x
   x = 8,465,743.47/2,469.72
6. Step 6: Final answer
   x = 3,427.82