Finding the Fourth Proportional to 16,932.50, 23,366.46 and 9,378.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,932.50 : 23,366.46 = 9,378.54 : x
2. Step 2: Convert to fraction form
   16,932.50/23,366.46 = 9,378.54/x
3. Step 3: Cross multiply
   16,932.50x = 23,366.46 × 9,378.54
4. Step 4: Simplify right side
   16,932.50x = 219,143,279.77
5. Step 5: Solve for x
   x = 219,143,279.77/16,932.50
6. Step 6: Final answer
   x = 12,942.17