Finding the Fourth Proportional to 1,648.49, 2,456.09 and 1,570.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.49 : 2,456.09 = 1,570.12 : x
2. Step 2: Convert to fraction form
   1,648.49/2,456.09 = 1,570.12/x
3. Step 3: Cross multiply
   1,648.49x = 2,456.09 × 1,570.12
4. Step 4: Simplify right side
   1,648.49x = 3,856,356.03
5. Step 5: Solve for x
   x = 3,856,356.03/1,648.49
6. Step 6: Final answer
   x = 2,339.33