Finding the Fourth Proportional to 16,775.85, 23,150.71 and 9,605.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,775.85 : 23,150.71 = 9,605.87 : x
2. Step 2: Convert to fraction form
   16,775.85/23,150.71 = 9,605.87/x
3. Step 3: Cross multiply
   16,775.85x = 23,150.71 × 9,605.87
4. Step 4: Simplify right side
   16,775.85x = 222,382,710.67
5. Step 5: Solve for x
   x = 222,382,710.67/16,775.85
6. Step 6: Final answer
   x = 13,256.13