Finding the Fourth Proportional to 16,961.41, 23,408.18 and 9,410.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,961.41 : 23,408.18 = 9,410.17 : x
2. Step 2: Convert to fraction form
   16,961.41/23,408.18 = 9,410.17/x
3. Step 3: Cross multiply
   16,961.41x = 23,408.18 × 9,410.17
4. Step 4: Simplify right side
   16,961.41x = 220,274,789.10
5. Step 5: Solve for x
   x = 220,274,789.10/16,961.41
6. Step 6: Final answer
   x = 12,986.82