Finding the Fourth Proportional to 8,538.92, 12,799.59 and 3,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,538.92 : 12,799.59 = 3,272.50 : x
2. Step 2: Convert to fraction form
   8,538.92/12,799.59 = 3,272.50/x
3. Step 3: Cross multiply
   8,538.92x = 12,799.59 × 3,272.50
4. Step 4: Simplify right side
   8,538.92x = 41,886,662.00
5. Step 5: Solve for x
   x = 41,886,662.00/8,538.92
6. Step 6: Final answer
   x = 4,905.38