Finding the Fourth Proportional to 10,857.42, 14,966.91 and 8,495.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,857.42 : 14,966.91 = 8,495.46 : x
2. Step 2: Convert to fraction form
   10,857.42/14,966.91 = 8,495.46/x
3. Step 3: Cross multiply
   10,857.42x = 14,966.91 × 8,495.46
4. Step 4: Simplify right side
   10,857.42x = 127,150,785.23
5. Step 5: Solve for x
   x = 127,150,785.23/10,857.42
6. Step 6: Final answer
   x = 11,710.96