Finding the Fourth Proportional to 16,819.57, 23,210.71 and 9,746.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,819.57 : 23,210.71 = 9,746.65 : x
2. Step 2: Convert to fraction form
   16,819.57/23,210.71 = 9,746.65/x
3. Step 3: Cross multiply
   16,819.57x = 23,210.71 × 9,746.65
4. Step 4: Simplify right side
   16,819.57x = 226,226,666.62
5. Step 5: Solve for x
   x = 226,226,666.62/16,819.57
6. Step 6: Final answer
   x = 13,450.21