Finding the Fourth Proportional to 12,892.89, 17,789.09 and 7,512.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.89 : 17,789.09 = 7,512.06 : x
2. Step 2: Convert to fraction form
   12,892.89/17,789.09 = 7,512.06/x
3. Step 3: Cross multiply
   12,892.89x = 17,789.09 × 7,512.06
4. Step 4: Simplify right side
   12,892.89x = 133,632,673.87
5. Step 5: Solve for x
   x = 133,632,673.87/12,892.89
6. Step 6: Final answer
   x = 10,364.83