Finding the Fourth Proportional to 12,588.89, 17,371.31 and 7,282.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,588.89 : 17,371.31 = 7,282.71 : x
2. Step 2: Convert to fraction form
   12,588.89/17,371.31 = 7,282.71/x
3. Step 3: Cross multiply
   12,588.89x = 17,371.31 × 7,282.71
4. Step 4: Simplify right side
   12,588.89x = 126,510,176.64
5. Step 5: Solve for x
   x = 126,510,176.64/12,588.89
6. Step 6: Final answer
   x = 10,049.36