Finding the Fourth Proportional to 1,648.83, 2,468.46 and 1,282.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.83 : 2,468.46 = 1,282.51 : x
2. Step 2: Convert to fraction form
   1,648.83/2,468.46 = 1,282.51/x
3. Step 3: Cross multiply
   1,648.83x = 2,468.46 × 1,282.51
4. Step 4: Simplify right side
   1,648.83x = 3,165,823.78
5. Step 5: Solve for x
   x = 3,165,823.78/1,648.83
6. Step 6: Final answer
   x = 1,920.04