Finding the Fourth Proportional to 6,561.09, 9,055.25 and 3,908.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,561.09 : 9,055.25 = 3,908.54 : x
2. Step 2: Convert to fraction form
   6,561.09/9,055.25 = 3,908.54/x
3. Step 3: Cross multiply
   6,561.09x = 9,055.25 × 3,908.54
4. Step 4: Simplify right side
   6,561.09x = 35,392,742.02
5. Step 5: Solve for x
   x = 35,392,742.02/6,561.09
6. Step 6: Final answer
   x = 5,394.34