Finding the Fourth Proportional to 16,766.61, 23,142.57 and 9,600.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,766.61 : 23,142.57 = 9,600.54 : x
2. Step 2: Convert to fraction form
   16,766.61/23,142.57 = 9,600.54/x
3. Step 3: Cross multiply
   16,766.61x = 23,142.57 × 9,600.54
4. Step 4: Simplify right side
   16,766.61x = 222,181,168.99
5. Step 5: Solve for x
   x = 222,181,168.99/16,766.61
6. Step 6: Final answer
   x = 13,251.41