Finding the Fourth Proportional to 16,707.12, 23,055.82 and 9,153.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,707.12 : 23,055.82 = 9,153.93 : x
2. Step 2: Convert to fraction form
   16,707.12/23,055.82 = 9,153.93/x
3. Step 3: Cross multiply
   16,707.12x = 23,055.82 × 9,153.93
4. Step 4: Simplify right side
   16,707.12x = 211,051,339.49
5. Step 5: Solve for x
   x = 211,051,339.49/16,707.12
6. Step 6: Final answer
   x = 12,632.42