Finding the Fourth Proportional to 6,561.54, 9,837.21 and 3,272.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,561.54 : 9,837.21 = 3,272.07 : x
2. Step 2: Convert to fraction form
   6,561.54/9,837.21 = 3,272.07/x
3. Step 3: Cross multiply
   6,561.54x = 9,837.21 × 3,272.07
4. Step 4: Simplify right side
   6,561.54x = 32,188,039.72
5. Step 5: Solve for x
   x = 32,188,039.72/6,561.54
6. Step 6: Final answer
   x = 4,905.56