Finding the Fourth Proportional to 8,535.56, 12,801.52 and 3,268.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,535.56 : 12,801.52 = 3,268.80 : x
2. Step 2: Convert to fraction form
   8,535.56/12,801.52 = 3,268.80/x
3. Step 3: Cross multiply
   8,535.56x = 12,801.52 × 3,268.80
4. Step 4: Simplify right side
   8,535.56x = 41,845,608.58
5. Step 5: Solve for x
   x = 41,845,608.58/8,535.56
6. Step 6: Final answer
   x = 4,902.50