Finding the Fourth Proportional to 10,956.15, 16,436.79 and 3,164.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.15 : 16,436.79 = 3,164.76 : x
2. Step 2: Convert to fraction form
   10,956.15/16,436.79 = 3,164.76/x
3. Step 3: Cross multiply
   10,956.15x = 16,436.79 × 3,164.76
4. Step 4: Simplify right side
   10,956.15x = 52,018,495.52
5. Step 5: Solve for x
   x = 52,018,495.52/10,956.15
6. Step 6: Final answer
   x = 4,747.88