Finding the Fourth Proportional to 21,751.83, 30,019.62 and 12,193.35

Step by Step Solution

1. Step 1: Write the proportion equation
   21,751.83 : 30,019.62 = 12,193.35 : x
2. Step 2: Convert to fraction form
   21,751.83/30,019.62 = 12,193.35/x
3. Step 3: Cross multiply
   21,751.83x = 30,019.62 × 12,193.35
4. Step 4: Simplify right side
   21,751.83x = 366,039,733.53
5. Step 5: Solve for x
   x = 366,039,733.53/21,751.83
6. Step 6: Final answer
   x = 16,828.00