Finding the Fourth Proportional to 16,896.23, 23,315.86 and 9,342.11

Step by Step Solution

1. Step 1: Write the proportion equation
   16,896.23 : 23,315.86 = 9,342.11 : x
2. Step 2: Convert to fraction form
   16,896.23/23,315.86 = 9,342.11/x
3. Step 3: Cross multiply
   16,896.23x = 23,315.86 × 9,342.11
4. Step 4: Simplify right side
   16,896.23x = 217,819,328.86
5. Step 5: Solve for x
   x = 217,819,328.86/16,896.23
6. Step 6: Final answer
   x = 12,891.59