Finding the Fourth Proportional to 12,797.97, 17,669.90 and 8,019.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.97 : 17,669.90 = 8,019.88 : x
2. Step 2: Convert to fraction form
   12,797.97/17,669.90 = 8,019.88/x
3. Step 3: Cross multiply
   12,797.97x = 17,669.90 × 8,019.88
4. Step 4: Simplify right side
   12,797.97x = 141,710,477.61
5. Step 5: Solve for x
   x = 141,710,477.61/12,797.97
6. Step 6: Final answer
   x = 11,072.89