Finding the Fourth Proportional to 9,235.35, 12,744.27 and 5,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,235.35 : 12,744.27 = 5,256.50 : x
2. Step 2: Convert to fraction form
   9,235.35/12,744.27 = 5,256.50/x
3. Step 3: Cross multiply
   9,235.35x = 12,744.27 × 5,256.50
4. Step 4: Simplify right side
   9,235.35x = 66,990,191.53
5. Step 5: Solve for x
   x = 66,990,191.53/9,235.35
6. Step 6: Final answer
   x = 7,253.67