Finding the Fourth Proportional to 22,389.73, 30,895.59 and 12,827.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,389.73 : 30,895.59 = 12,827.78 : x
2. Step 2: Convert to fraction form
   22,389.73/30,895.59 = 12,827.78/x
3. Step 3: Cross multiply
   22,389.73x = 30,895.59 × 12,827.78
4. Step 4: Simplify right side
   22,389.73x = 396,321,840.97
5. Step 5: Solve for x
   x = 396,321,840.97/22,389.73
6. Step 6: Final answer
   x = 17,701.06