Finding the Fourth Proportional to 3,648.73, 5,474.06 and 1,308.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.73 : 5,474.06 = 1,308.96 : x
2. Step 2: Convert to fraction form
   3,648.73/5,474.06 = 1,308.96/x
3. Step 3: Cross multiply
   3,648.73x = 5,474.06 × 1,308.96
4. Step 4: Simplify right side
   3,648.73x = 7,165,319.03
5. Step 5: Solve for x
   x = 7,165,319.03/3,648.73
6. Step 6: Final answer
   x = 1,963.79