Finding the Fourth Proportional to 9,672.55, 14,574.72 and 7,956.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,672.55 : 14,574.72 = 7,956.01 : x
2. Step 2: Convert to fraction form
   9,672.55/14,574.72 = 7,956.01/x
3. Step 3: Cross multiply
   9,672.55x = 14,574.72 × 7,956.01
4. Step 4: Simplify right side
   9,672.55x = 115,956,637.96
5. Step 5: Solve for x
   x = 115,956,637.96/9,672.55
6. Step 6: Final answer
   x = 11,988.22