Finding the Fourth Proportional to 10,857.50, 14,996.31 and 7,314.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,857.50 : 14,996.31 = 7,314.56 : x
2. Step 2: Convert to fraction form
   10,857.50/14,996.31 = 7,314.56/x
3. Step 3: Cross multiply
   10,857.50x = 14,996.31 × 7,314.56
4. Step 4: Simplify right side
   10,857.50x = 109,691,409.27
5. Step 5: Solve for x
   x = 109,691,409.27/10,857.50
6. Step 6: Final answer
   x = 10,102.82