Finding the Fourth Proportional to 9,662.16, 14,559.06 and 7,945.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.16 : 14,559.06 = 7,945.62 : x
2. Step 2: Convert to fraction form
   9,662.16/14,559.06 = 7,945.62/x
3. Step 3: Cross multiply
   9,662.16x = 14,559.06 × 7,945.62
4. Step 4: Simplify right side
   9,662.16x = 115,680,700.00
5. Step 5: Solve for x
   x = 115,680,700.00/9,662.16
6. Step 6: Final answer
   x = 11,972.55