Finding the Fourth Proportional to 12,973.43, 17,896.92 and 7,665.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.43 : 17,896.92 = 7,665.68 : x
2. Step 2: Convert to fraction form
   12,973.43/17,896.92 = 7,665.68/x
3. Step 3: Cross multiply
   12,973.43x = 17,896.92 × 7,665.68
4. Step 4: Simplify right side
   12,973.43x = 137,192,061.71
5. Step 5: Solve for x
   x = 137,192,061.71/12,973.43
6. Step 6: Final answer
   x = 10,574.85