Finding the Fourth Proportional to 16,694.35, 23,037.32 and 9,139.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,694.35 : 23,037.32 = 9,139.23 : x
2. Step 2: Convert to fraction form
   16,694.35/23,037.32 = 9,139.23/x
3. Step 3: Cross multiply
   16,694.35x = 23,037.32 × 9,139.23
4. Step 4: Simplify right side
   16,694.35x = 210,543,320.37
5. Step 5: Solve for x
   x = 210,543,320.37/16,694.35
6. Step 6: Final answer
   x = 12,611.65