Finding the Fourth Proportional to 20,314.06, 30,456.78 and 7,823.62

Step by Step Solution

1. Step 1: Write the proportion equation
   20,314.06 : 30,456.78 = 7,823.62 : x
2. Step 2: Convert to fraction form
   20,314.06/30,456.78 = 7,823.62/x
3. Step 3: Cross multiply
   20,314.06x = 30,456.78 × 7,823.62
4. Step 4: Simplify right side
   20,314.06x = 238,282,273.14
5. Step 5: Solve for x
   x = 238,282,273.14/20,314.06
6. Step 6: Final answer
   x = 11,729.92