Finding the Fourth Proportional to 14,243.76, 19,656.78 and 7,956.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,243.76 : 19,656.78 = 7,956.54 : x
2. Step 2: Convert to fraction form
   14,243.76/19,656.78 = 7,956.54/x
3. Step 3: Cross multiply
   14,243.76x = 19,656.78 × 7,956.54
4. Step 4: Simplify right side
   14,243.76x = 156,399,956.34
5. Step 5: Solve for x
   x = 156,399,956.34/14,243.76
6. Step 6: Final answer
   x = 10,980.24