Finding the Fourth Proportional to 17,390.49, 23,995.83 and 10,221.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,390.49 : 23,995.83 = 10,221.06 : x
2. Step 2: Convert to fraction form
   17,390.49/23,995.83 = 10,221.06/x
3. Step 3: Cross multiply
   17,390.49x = 23,995.83 × 10,221.06
4. Step 4: Simplify right side
   17,390.49x = 245,262,818.18
5. Step 5: Solve for x
   x = 245,262,818.18/17,390.49
6. Step 6: Final answer
   x = 14,103.27