Finding the Fourth Proportional to 10,827.54, 14,919.12 and 9,635.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.54 : 14,919.12 = 9,635.76 : x
2. Step 2: Convert to fraction form
   10,827.54/14,919.12 = 9,635.76/x
3. Step 3: Cross multiply
   10,827.54x = 14,919.12 × 9,635.76
4. Step 4: Simplify right side
   10,827.54x = 143,757,059.73
5. Step 5: Solve for x
   x = 143,757,059.73/10,827.54
6. Step 6: Final answer
   x = 13,276.98