Finding the Fourth Proportional to 17,321.58, 23,903.69 and 9,363.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,321.58 : 23,903.69 = 9,363.73 : x
2. Step 2: Convert to fraction form
   17,321.58/23,903.69 = 9,363.73/x
3. Step 3: Cross multiply
   17,321.58x = 23,903.69 × 9,363.73
4. Step 4: Simplify right side
   17,321.58x = 223,827,699.16
5. Step 5: Solve for x
   x = 223,827,699.16/17,321.58
6. Step 6: Final answer
   x = 12,921.90