Finding the Fourth Proportional to 14,923.98, 20,597.31 and 10,956.06

Step by Step Solution

1. Step 1: Write the proportion equation
   14,923.98 : 20,597.31 = 10,956.06 : x
2. Step 2: Convert to fraction form
   14,923.98/20,597.31 = 10,956.06/x
3. Step 3: Cross multiply
   14,923.98x = 20,597.31 × 10,956.06
4. Step 4: Simplify right side
   14,923.98x = 225,665,364.20
5. Step 5: Solve for x
   x = 225,665,364.20/14,923.98
6. Step 6: Final answer
   x = 15,120.99