Finding the Fourth Proportional to 8,527.50, 12,784.52 and 3,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,527.50 : 12,784.52 = 3,261.50 : x
2. Step 2: Convert to fraction form
   8,527.50/12,784.52 = 3,261.50/x
3. Step 3: Cross multiply
   8,527.50x = 12,784.52 × 3,261.50
4. Step 4: Simplify right side
   8,527.50x = 41,696,711.98
5. Step 5: Solve for x
   x = 41,696,711.98/8,527.50
6. Step 6: Final answer
   x = 4,889.68