Finding the Fourth Proportional to 9,760.56, 14,606.79 and 7,985.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.56 : 14,606.79 = 7,985.04 : x
2. Step 2: Convert to fraction form
   9,760.56/14,606.79 = 7,985.04/x
3. Step 3: Cross multiply
   9,760.56x = 14,606.79 × 7,985.04
4. Step 4: Simplify right side
   9,760.56x = 116,635,802.42
5. Step 5: Solve for x
   x = 116,635,802.42/9,760.56
6. Step 6: Final answer
   x = 11,949.70