Finding the Fourth Proportional to 17,017.83, 23,481.15 and 9,942.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,017.83 : 23,481.15 = 9,942.88 : x
2. Step 2: Convert to fraction form
   17,017.83/23,481.15 = 9,942.88/x
3. Step 3: Cross multiply
   17,017.83x = 23,481.15 × 9,942.88
4. Step 4: Simplify right side
   17,017.83x = 233,470,256.71
5. Step 5: Solve for x
   x = 233,470,256.71/17,017.83
6. Step 6: Final answer
   x = 13,719.16