Finding the Fourth Proportional to 10,856.06, 14,976.60 and 8,333.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.06 : 14,976.60 = 8,333.72 : x
2. Step 2: Convert to fraction form
   10,856.06/14,976.60 = 8,333.72/x
3. Step 3: Cross multiply
   10,856.06x = 14,976.60 × 8,333.72
4. Step 4: Simplify right side
   10,856.06x = 124,810,790.95
5. Step 5: Solve for x
   x = 124,810,790.95/10,856.06
6. Step 6: Final answer
   x = 11,496.88