Finding the Fourth Proportional to 6,561.81, 9,843.78 and 3,275.01

Step by Step Solution

1. Step 1: Write the proportion equation
   6,561.81 : 9,843.78 = 3,275.01 : x
2. Step 2: Convert to fraction form
   6,561.81/9,843.78 = 3,275.01/x
3. Step 3: Cross multiply
   6,561.81x = 9,843.78 × 3,275.01
4. Step 4: Simplify right side
   6,561.81x = 32,238,477.94
5. Step 5: Solve for x
   x = 32,238,477.94/6,561.81
6. Step 6: Final answer
   x = 4,913.05