Finding the Fourth Proportional to 16,899.46, 23,320.85 and 9,828.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899.46 : 23,320.85 = 9,828.34 : x
2. Step 2: Convert to fraction form
   16,899.46/23,320.85 = 9,828.34/x
3. Step 3: Cross multiply
   16,899.46x = 23,320.85 × 9,828.34
4. Step 4: Simplify right side
   16,899.46x = 229,205,242.89
5. Step 5: Solve for x
   x = 229,205,242.89/16,899.46
6. Step 6: Final answer
   x = 13,562.87