Finding the Fourth Proportional to 3,648.89, 5,474.06 and 1,308.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.89 : 5,474.06 = 1,308.26 : x
2. Step 2: Convert to fraction form
   3,648.89/5,474.06 = 1,308.26/x
3. Step 3: Cross multiply
   3,648.89x = 5,474.06 × 1,308.26
4. Step 4: Simplify right side
   3,648.89x = 7,161,459.82
5. Step 5: Solve for x
   x = 7,161,459.82/3,648.89
6. Step 6: Final answer
   x = 1,962.64