Finding the Fourth Proportional to 17,279.34, 23,846.70 and 9,726.39

Step by Step Solution

1. Step 1: Write the proportion equation
   17,279.34 : 23,846.70 = 9,726.39 : x
2. Step 2: Convert to fraction form
   17,279.34/23,846.70 = 9,726.39/x
3. Step 3: Cross multiply
   17,279.34x = 23,846.70 × 9,726.39
4. Step 4: Simplify right side
   17,279.34x = 231,942,304.41
5. Step 5: Solve for x
   x = 231,942,304.41/17,279.34
6. Step 6: Final answer
   x = 13,423.10