Finding the Fourth Proportional to 16,705.69, 23,053.84 and 9,152.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,705.69 : 23,053.84 = 9,152.57 : x
2. Step 2: Convert to fraction form
   16,705.69/23,053.84 = 9,152.57/x
3. Step 3: Cross multiply
   16,705.69x = 23,053.84 × 9,152.57
4. Step 4: Simplify right side
   16,705.69x = 211,001,884.37
5. Step 5: Solve for x
   x = 211,001,884.37/16,705.69
6. Step 6: Final answer
   x = 12,630.54