Finding the Fourth Proportional to 1,648.72, 2,474.90 and 675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.72 : 2,474.90 = 675.50 : x
2. Step 2: Convert to fraction form
   1,648.72/2,474.90 = 675.50/x
3. Step 3: Cross multiply
   1,648.72x = 2,474.90 × 675.50
4. Step 4: Simplify right side
   1,648.72x = 1,671,794.95
5. Step 5: Solve for x
   x = 1,671,794.95/1,648.72
6. Step 6: Final answer
   x = 1,014.00