Finding the Fourth Proportional to 10,956.56, 16,446.55 and 4,719.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.56 : 16,446.55 = 4,719.67 : x
2. Step 2: Convert to fraction form
   10,956.56/16,446.55 = 4,719.67/x
3. Step 3: Cross multiply
   10,956.56x = 16,446.55 × 4,719.67
4. Step 4: Simplify right side
   10,956.56x = 77,622,235.72
5. Step 5: Solve for x
   x = 77,622,235.72/10,956.56
6. Step 6: Final answer
   x = 7,084.54