Finding the Fourth Proportional to 16,746.60, 23,109.86 and 9,193

Step by Step Solution

1. Step 1: Write the proportion equation
   16,746.60 : 23,109.86 = 9,193 : x
2. Step 2: Convert to fraction form
   16,746.60/23,109.86 = 9,193/x
3. Step 3: Cross multiply
   16,746.60x = 23,109.86 × 9,193
4. Step 4: Simplify right side
   16,746.60x = 212,448,942.98
5. Step 5: Solve for x
   x = 212,448,942.98/16,746.60
6. Step 6: Final answer
   x = 12,686.09