Finding the Fourth Proportional to 16,766.87, 23,139.41 and 9,599.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,766.87 : 23,139.41 = 9,599.04 : x
2. Step 2: Convert to fraction form
   16,766.87/23,139.41 = 9,599.04/x
3. Step 3: Cross multiply
   16,766.87x = 23,139.41 × 9,599.04
4. Step 4: Simplify right side
   16,766.87x = 222,116,074.17
5. Step 5: Solve for x
   x = 222,116,074.17/16,766.87
6. Step 6: Final answer
   x = 13,247.32