Finding the Fourth Proportional to 9,414.36, 12,966.86 and 7,016.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,414.36 : 12,966.86 = 7,016.65 : x
2. Step 2: Convert to fraction form
   9,414.36/12,966.86 = 7,016.65/x
3. Step 3: Cross multiply
   9,414.36x = 12,966.86 × 7,016.65
4. Step 4: Simplify right side
   9,414.36x = 90,983,903.34
5. Step 5: Solve for x
   x = 90,983,903.34/9,414.36
6. Step 6: Final answer
   x = 9,664.37