Finding the Fourth Proportional to 9,553.76, 13,182.72 and 5,361.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,553.76 : 13,182.72 = 5,361.20 : x
2. Step 2: Convert to fraction form
   9,553.76/13,182.72 = 5,361.20/x
3. Step 3: Cross multiply
   9,553.76x = 13,182.72 × 5,361.20
4. Step 4: Simplify right side
   9,553.76x = 70,675,198.46
5. Step 5: Solve for x
   x = 70,675,198.46/9,553.76
6. Step 6: Final answer
   x = 7,397.63