Finding the Fourth Proportional to 16,805.30, 23,189.94 and 9,732.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,805.30 : 23,189.94 = 9,732.18 : x
2. Step 2: Convert to fraction form
   16,805.30/23,189.94 = 9,732.18/x
3. Step 3: Cross multiply
   16,805.30x = 23,189.94 × 9,732.18
4. Step 4: Simplify right side
   16,805.30x = 225,688,670.27
5. Step 5: Solve for x
   x = 225,688,670.27/16,805.30
6. Step 6: Final answer
   x = 13,429.61