Finding the Fourth Proportional to 9,235.82, 12,744.42 and 5,256.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,235.82 : 12,744.42 = 5,256.56 : x
2. Step 2: Convert to fraction form
   9,235.82/12,744.42 = 5,256.56/x
3. Step 3: Cross multiply
   9,235.82x = 12,744.42 × 5,256.56
4. Step 4: Simplify right side
   9,235.82x = 66,991,808.40
5. Step 5: Solve for x
   x = 66,991,808.40/9,235.82
6. Step 6: Final answer
   x = 7,253.48