Finding the Fourth Proportional to 17,309.22, 23,886.71 and 9,351.45

Step by Step Solution

1. Step 1: Write the proportion equation
   17,309.22 : 23,886.71 = 9,351.45 : x
2. Step 2: Convert to fraction form
   17,309.22/23,886.71 = 9,351.45/x
3. Step 3: Cross multiply
   17,309.22x = 23,886.71 × 9,351.45
4. Step 4: Simplify right side
   17,309.22x = 223,375,327.47
5. Step 5: Solve for x
   x = 223,375,327.47/17,309.22
6. Step 6: Final answer
   x = 12,904.99