Finding the Fourth Proportional to 9,660.67, 13,332.22 and 5,411.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,660.67 : 13,332.22 = 5,411.48 : x
2. Step 2: Convert to fraction form
   9,660.67/13,332.22 = 5,411.48/x
3. Step 3: Cross multiply
   9,660.67x = 13,332.22 × 5,411.48
4. Step 4: Simplify right side
   9,660.67x = 72,146,975.22
5. Step 5: Solve for x
   x = 72,146,975.22/9,660.67
6. Step 6: Final answer
   x = 7,468.11