Finding the Fourth Proportional to 16,710.30, 23,062.52 and 9,636.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,710.30 : 23,062.52 = 9,636.57 : x
2. Step 2: Convert to fraction form
   16,710.30/23,062.52 = 9,636.57/x
3. Step 3: Cross multiply
   16,710.30x = 23,062.52 × 9,636.57
4. Step 4: Simplify right side
   16,710.30x = 222,243,612.45
5. Step 5: Solve for x
   x = 222,243,612.45/16,710.30
6. Step 6: Final answer
   x = 13,299.80