Finding the Fourth Proportional to 16,734.65, 23,093.72 and 9,180.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,734.65 : 23,093.72 = 9,180.79 : x
2. Step 2: Convert to fraction form
   16,734.65/23,093.72 = 9,180.79/x
3. Step 3: Cross multiply
   16,734.65x = 23,093.72 × 9,180.79
4. Step 4: Simplify right side
   16,734.65x = 212,018,490.00
5. Step 5: Solve for x
   x = 212,018,490.00/16,734.65
6. Step 6: Final answer
   x = 12,669.43