Finding the Fourth Proportional to 2,469.90, 3,405.47 and 1,630.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.90 : 3,405.47 = 1,630.33 : x
2. Step 2: Convert to fraction form
   2,469.90/3,405.47 = 1,630.33/x
3. Step 3: Cross multiply
   2,469.90x = 3,405.47 × 1,630.33
4. Step 4: Simplify right side
   2,469.90x = 5,552,039.91
5. Step 5: Solve for x
   x = 5,552,039.91/2,469.90
6. Step 6: Final answer
   x = 2,247.88