Finding the Fourth Proportional to 17,873.31, 24,668.12 and 9,918.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,873.31 : 24,668.12 = 9,918.10 : x
2. Step 2: Convert to fraction form
   17,873.31/24,668.12 = 9,918.10/x
3. Step 3: Cross multiply
   17,873.31x = 24,668.12 × 9,918.10
4. Step 4: Simplify right side
   17,873.31x = 244,660,708.04
5. Step 5: Solve for x
   x = 244,660,708.04/17,873.31
6. Step 6: Final answer
   x = 13,688.61