Finding the Fourth Proportional to 2,068.25, 2,854.80 and 1,648.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.25 : 2,854.80 = 1,648.45 : x
2. Step 2: Convert to fraction form
   2,068.25/2,854.80 = 1,648.45/x
3. Step 3: Cross multiply
   2,068.25x = 2,854.80 × 1,648.45
4. Step 4: Simplify right side
   2,068.25x = 4,706,005.00
5. Step 5: Solve for x
   x = 4,706,005.00/2,068.25
6. Step 6: Final answer
   x = 2,275.35