Finding the Fourth Proportional to 10,857.67, 14,967.25 and 8,495.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,857.67 : 14,967.25 = 8,495.71 : x
2. Step 2: Convert to fraction form
   10,857.67/14,967.25 = 8,495.71/x
3. Step 3: Cross multiply
   10,857.67x = 14,967.25 × 8,495.71
4. Step 4: Simplify right side
   10,857.67x = 127,157,415.50
5. Step 5: Solve for x
   x = 127,157,415.50/10,857.67
6. Step 6: Final answer
   x = 11,711.30