Finding the Fourth Proportional to 12,289.46, 16,958.97 and 7,253.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,289.46 : 16,958.97 = 7,253.82 : x
2. Step 2: Convert to fraction form
   12,289.46/16,958.97 = 7,253.82/x
3. Step 3: Cross multiply
   12,289.46x = 16,958.97 × 7,253.82
4. Step 4: Simplify right side
   12,289.46x = 123,017,315.77
5. Step 5: Solve for x
   x = 123,017,315.77/12,289.46
6. Step 6: Final answer
   x = 10,009.99