Finding the Fourth Proportional to 2,580.54, 3,560.04 and 1,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.54 : 3,560.04 = 1,648.50 : x
2. Step 2: Convert to fraction form
   2,580.54/3,560.04 = 1,648.50/x
3. Step 3: Cross multiply
   2,580.54x = 3,560.04 × 1,648.50
4. Step 4: Simplify right side
   2,580.54x = 5,868,725.94
5. Step 5: Solve for x
   x = 5,868,725.94/2,580.54
6. Step 6: Final answer
   x = 2,274.22