Finding the Fourth Proportional to 9,560.69, 13,200.18 and 7,318.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,560.69 : 13,200.18 = 7,318.57 : x
2. Step 2: Convert to fraction form
   9,560.69/13,200.18 = 7,318.57/x
3. Step 3: Cross multiply
   9,560.69x = 13,200.18 × 7,318.57
4. Step 4: Simplify right side
   9,560.69x = 96,606,441.34
5. Step 5: Solve for x
   x = 96,606,441.34/9,560.69
6. Step 6: Final answer
   x = 10,104.55