Finding the Fourth Proportional to 12,981.92, 17,914.10 and 7,316.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981.92 : 17,914.10 = 7,316.37 : x
2. Step 2: Convert to fraction form
   12,981.92/17,914.10 = 7,316.37/x
3. Step 3: Cross multiply
   12,981.92x = 17,914.10 × 7,316.37
4. Step 4: Simplify right side
   12,981.92x = 131,066,147.24
5. Step 5: Solve for x
   x = 131,066,147.24/12,981.92
6. Step 6: Final answer
   x = 10,096.06