Finding the Fourth Proportional to 3,647.82, 5,472.69 and 1,308.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.82 : 5,472.69 = 1,308.06 : x
2. Step 2: Convert to fraction form
   3,647.82/5,472.69 = 1,308.06/x
3. Step 3: Cross multiply
   3,647.82x = 5,472.69 × 1,308.06
4. Step 4: Simplify right side
   3,647.82x = 7,158,606.88
5. Step 5: Solve for x
   x = 7,158,606.88/3,647.82
6. Step 6: Final answer
   x = 1,962.43