Finding the Fourth Proportional to 11,856.72, 16,343.37 and 9,334.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,856.72 : 16,343.37 = 9,334.83 : x
2. Step 2: Convert to fraction form
   11,856.72/16,343.37 = 9,334.83/x
3. Step 3: Cross multiply
   11,856.72x = 16,343.37 × 9,334.83
4. Step 4: Simplify right side
   11,856.72x = 152,562,580.58
5. Step 5: Solve for x
   x = 152,562,580.58/11,856.72
6. Step 6: Final answer
   x = 12,867.18