Finding the Fourth Proportional to 16,705.86, 23,053.23 and 9,631.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,705.86 : 23,053.23 = 9,631.86 : x
2. Step 2: Convert to fraction form
   16,705.86/23,053.23 = 9,631.86/x
3. Step 3: Cross multiply
   16,705.86x = 23,053.23 × 9,631.86
4. Step 4: Simplify right side
   16,705.86x = 222,045,483.91
5. Step 5: Solve for x
   x = 222,045,483.91/16,705.86
6. Step 6: Final answer
   x = 13,291.47