Finding the Fourth Proportional to 6,561.48, 9,054.82 and 3,577.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,561.48 : 9,054.82 = 3,577.28 : x
2. Step 2: Convert to fraction form
   6,561.48/9,054.82 = 3,577.28/x
3. Step 3: Cross multiply
   6,561.48x = 9,054.82 × 3,577.28
4. Step 4: Simplify right side
   6,561.48x = 32,391,626.49
5. Step 5: Solve for x
   x = 32,391,626.49/6,561.48
6. Step 6: Final answer
   x = 4,936.63