Finding the Fourth Proportional to 16,912.82, 23,339.73 and 9,359.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,912.82 : 23,339.73 = 9,359.70 : x
2. Step 2: Convert to fraction form
   16,912.82/23,339.73 = 9,359.70/x
3. Step 3: Cross multiply
   16,912.82x = 23,339.73 × 9,359.70
4. Step 4: Simplify right side
   16,912.82x = 218,452,870.88
5. Step 5: Solve for x
   x = 218,452,870.88/16,912.82
6. Step 6: Final answer
   x = 12,916.41