Finding the Fourth Proportional to 16,730.34, 23,085.99 and 9,659.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,730.34 : 23,085.99 = 9,659.10 : x
2. Step 2: Convert to fraction form
   16,730.34/23,085.99 = 9,659.10/x
3. Step 3: Cross multiply
   16,730.34x = 23,085.99 × 9,659.10
4. Step 4: Simplify right side
   16,730.34x = 222,989,886.01
5. Step 5: Solve for x
   x = 222,989,886.01/16,730.34
6. Step 6: Final answer
   x = 13,328.47