Finding the Fourth Proportional to 12,614.67, 17,404.47 and 7,309.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,614.67 : 17,404.47 = 7,309.31 : x
2. Step 2: Convert to fraction form
   12,614.67/17,404.47 = 7,309.31/x
3. Step 3: Cross multiply
   12,614.67x = 17,404.47 × 7,309.31
4. Step 4: Simplify right side
   12,614.67x = 127,214,579.59
5. Step 5: Solve for x
   x = 127,214,579.59/12,614.67
6. Step 6: Final answer
   x = 10,084.65