Finding the Fourth Proportional to 9,960.69, 14,934.15 and 4,411.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,960.69 : 14,934.15 = 4,411.02 : x
2. Step 2: Convert to fraction form
   9,960.69/14,934.15 = 4,411.02/x
3. Step 3: Cross multiply
   9,960.69x = 14,934.15 × 4,411.02
4. Step 4: Simplify right side
   9,960.69x = 65,874,834.33
5. Step 5: Solve for x
   x = 65,874,834.33/9,960.69
6. Step 6: Final answer
   x = 6,613.48