Finding the Fourth Proportional to 16,707.31, 23,055.74 and 9,153.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,707.31 : 23,055.74 = 9,153.27 : x
2. Step 2: Convert to fraction form
   16,707.31/23,055.74 = 9,153.27/x
3. Step 3: Cross multiply
   16,707.31x = 23,055.74 × 9,153.27
4. Step 4: Simplify right side
   16,707.31x = 211,035,425.14
5. Step 5: Solve for x
   x = 211,035,425.14/16,707.31
6. Step 6: Final answer
   x = 12,631.32