Finding the Fourth Proportional to 2,648.30, 3,650.25 and 1,860.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.30 : 3,650.25 = 1,860.98 : x
2. Step 2: Convert to fraction form
   2,648.30/3,650.25 = 1,860.98/x
3. Step 3: Cross multiply
   2,648.30x = 3,650.25 × 1,860.98
4. Step 4: Simplify right side
   2,648.30x = 6,793,042.25
5. Step 5: Solve for x
   x = 6,793,042.25/2,648.30
6. Step 6: Final answer
   x = 2,565.06