Finding the Fourth Proportional to 12,481.75, 17,224.82 and 7,176.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,481.75 : 17,224.82 = 7,176.45 : x
2. Step 2: Convert to fraction form
   12,481.75/17,224.82 = 7,176.45/x
3. Step 3: Cross multiply
   12,481.75x = 17,224.82 × 7,176.45
4. Step 4: Simplify right side
   12,481.75x = 123,613,059.49
5. Step 5: Solve for x
   x = 123,613,059.49/12,481.75
6. Step 6: Final answer
   x = 9,903.50