Finding the Fourth Proportional to 12,389.12, 17,096.98 and 7,011.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389.12 : 17,096.98 = 7,011.46 : x
2. Step 2: Convert to fraction form
   12,389.12/17,096.98 = 7,011.46/x
3. Step 3: Cross multiply
   12,389.12x = 17,096.98 × 7,011.46
4. Step 4: Simplify right side
   12,389.12x = 119,874,687.97
5. Step 5: Solve for x
   x = 119,874,687.97/12,389.12
6. Step 6: Final answer
   x = 9,675.81