Finding the Fourth Proportional to 16,896.93, 23,315.72 and 9,342.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,896.93 : 23,315.72 = 9,342.23 : x
2. Step 2: Convert to fraction form
   16,896.93/23,315.72 = 9,342.23/x
3. Step 3: Cross multiply
   16,896.93x = 23,315.72 × 9,342.23
4. Step 4: Simplify right side
   16,896.93x = 217,820,818.86
5. Step 5: Solve for x
   x = 217,820,818.86/16,896.93
6. Step 6: Final answer
   x = 12,891.15