Finding the Fourth Proportional to 12,475.69, 17,219.34 and 8,227.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,475.69 : 17,219.34 = 8,227.51 : x
2. Step 2: Convert to fraction form
   12,475.69/17,219.34 = 8,227.51/x
3. Step 3: Cross multiply
   12,475.69x = 17,219.34 × 8,227.51
4. Step 4: Simplify right side
   12,475.69x = 141,672,292.04
5. Step 5: Solve for x
   x = 141,672,292.04/12,475.69
6. Step 6: Final answer
   x = 11,355.87