Finding the Fourth Proportional to 16,730.02, 23,085.76 and 9,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,730.02 : 23,085.76 = 9,658.72 : x
2. Step 2: Convert to fraction form
   16,730.02/23,085.76 = 9,658.72/x
3. Step 3: Cross multiply
   16,730.02x = 23,085.76 × 9,658.72
4. Step 4: Simplify right side
   16,730.02x = 222,978,891.83
5. Step 5: Solve for x
   x = 222,978,891.83/16,730.02
6. Step 6: Final answer
   x = 13,328.07