Finding the Fourth Proportional to 6,561.57, 9,054.89 and 3,577.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,561.57 : 9,054.89 = 3,577.34 : x
2. Step 2: Convert to fraction form
   6,561.57/9,054.89 = 3,577.34/x
3. Step 3: Cross multiply
   6,561.57x = 9,054.89 × 3,577.34
4. Step 4: Simplify right side
   6,561.57x = 32,392,383.86
5. Step 5: Solve for x
   x = 32,392,383.86/6,561.57
6. Step 6: Final answer
   x = 4,936.68