Finding the Fourth Proportional to 12,325.59, 17,009.73 and 7,020.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,325.59 : 17,009.73 = 7,020.63 : x
2. Step 2: Convert to fraction form
   12,325.59/17,009.73 = 7,020.63/x
3. Step 3: Cross multiply
   12,325.59x = 17,009.73 × 7,020.63
4. Step 4: Simplify right side
   12,325.59x = 119,419,020.73
5. Step 5: Solve for x
   x = 119,419,020.73/12,325.59
6. Step 6: Final answer
   x = 9,688.71