Finding the Fourth Proportional to 12,796.84, 17,661.90 and 10,164.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.84 : 17,661.90 = 10,164.34 : x
2. Step 2: Convert to fraction form
   12,796.84/17,661.90 = 10,164.34/x
3. Step 3: Cross multiply
   12,796.84x = 17,661.90 × 10,164.34
4. Step 4: Simplify right side
   12,796.84x = 179,521,556.65
5. Step 5: Solve for x
   x = 179,521,556.65/12,796.84
6. Step 6: Final answer
   x = 14,028.58