Finding the Fourth Proportional to 8,538.50, 12,801.02 and 3,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,538.50 : 12,801.02 = 3,272.50 : x
2. Step 2: Convert to fraction form
   8,538.50/12,801.02 = 3,272.50/x
3. Step 3: Cross multiply
   8,538.50x = 12,801.02 × 3,272.50
4. Step 4: Simplify right side
   8,538.50x = 41,891,337.95
5. Step 5: Solve for x
   x = 41,891,337.95/8,538.50
6. Step 6: Final answer
   x = 4,906.17