Finding the Fourth Proportional to 12,426.01, 17,151.96 and 7,956.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426.01 : 17,151.96 = 7,956.43 : x
2. Step 2: Convert to fraction form
   12,426.01/17,151.96 = 7,956.43/x
3. Step 3: Cross multiply
   12,426.01x = 17,151.96 × 7,956.43
4. Step 4: Simplify right side
   12,426.01x = 136,468,369.10
5. Step 5: Solve for x
   x = 136,468,369.10/12,426.01
6. Step 6: Final answer
   x = 10,982.48