Finding the Fourth Proportional to 12,389.56, 17,097.42 and 7,675

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389.56 : 17,097.42 = 7,675 : x
2. Step 2: Convert to fraction form
   12,389.56/17,097.42 = 7,675/x
3. Step 3: Cross multiply
   12,389.56x = 17,097.42 × 7,675
4. Step 4: Simplify right side
   12,389.56x = 131,222,698.50
5. Step 5: Solve for x
   x = 131,222,698.50/12,389.56
6. Step 6: Final answer
   x = 10,591.39