Finding the Fourth Proportional to 11,259.27, 16,870.46 and 7,956.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,259.27 : 16,870.46 = 7,956.23 : x
2. Step 2: Convert to fraction form
   11,259.27/16,870.46 = 7,956.23/x
3. Step 3: Cross multiply
   11,259.27x = 16,870.46 × 7,956.23
4. Step 4: Simplify right side
   11,259.27x = 134,225,135.83
5. Step 5: Solve for x
   x = 134,225,135.83/11,259.27
6. Step 6: Final answer
   x = 11,921.30