Finding the Fourth Proportional to 16,815.85, 23,205.86 and 9,746.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,815.85 : 23,205.86 = 9,746.37 : x
2. Step 2: Convert to fraction form
   16,815.85/23,205.86 = 9,746.37/x
3. Step 3: Cross multiply
   16,815.85x = 23,205.86 × 9,746.37
4. Step 4: Simplify right side
   16,815.85x = 226,172,922.09
5. Step 5: Solve for x
   x = 226,172,922.09/16,815.85
6. Step 6: Final answer
   x = 13,449.99