Finding the Fourth Proportional to 17,321.89, 23,904.18 and 9,364.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,321.89 : 23,904.18 = 9,364.12 : x
2. Step 2: Convert to fraction form
   17,321.89/23,904.18 = 9,364.12/x
3. Step 3: Cross multiply
   17,321.89x = 23,904.18 × 9,364.12
4. Step 4: Simplify right side
   17,321.89x = 223,841,610.02
5. Step 5: Solve for x
   x = 223,841,610.02/17,321.89
6. Step 6: Final answer
   x = 12,922.47