Finding the Fourth Proportional to 9,233.44, 12,738.88 and 5,455.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,233.44 : 12,738.88 = 5,455.80 : x
2. Step 2: Convert to fraction form
   9,233.44/12,738.88 = 5,455.80/x
3. Step 3: Cross multiply
   9,233.44x = 12,738.88 × 5,455.80
4. Step 4: Simplify right side
   9,233.44x = 69,500,781.50
5. Step 5: Solve for x
   x = 69,500,781.50/9,233.44
6. Step 6: Final answer
   x = 7,527.07