Finding the Fourth Proportional to 12,513.72, 17,318.70 and 10,751.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,513.72 : 17,318.70 = 10,751.16 : x
2. Step 2: Convert to fraction form
   12,513.72/17,318.70 = 10,751.16/x
3. Step 3: Cross multiply
   12,513.72x = 17,318.70 × 10,751.16
4. Step 4: Simplify right side
   12,513.72x = 186,196,114.69
5. Step 5: Solve for x
   x = 186,196,114.69/12,513.72
6. Step 6: Final answer
   x = 14,879.36