Finding the Fourth Proportional to 1,648.73, 2,473.55 and 675.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.73 : 2,473.55 = 675.53 : x
2. Step 2: Convert to fraction form
   1,648.73/2,473.55 = 675.53/x
3. Step 3: Cross multiply
   1,648.73x = 2,473.55 × 675.53
4. Step 4: Simplify right side
   1,648.73x = 1,670,946.55
5. Step 5: Solve for x
   x = 1,670,946.55/1,648.73
6. Step 6: Final answer
   x = 1,013.48