Finding the Fourth Proportional to 21,766.56, 30,036.96 and 12,334.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,766.56 : 30,036.96 = 12,334.56 : x
2. Step 2: Convert to fraction form
   21,766.56/30,036.96 = 12,334.56/x
3. Step 3: Cross multiply
   21,766.56x = 30,036.96 × 12,334.56
4. Step 4: Simplify right side
   21,766.56x = 370,492,685.34
5. Step 5: Solve for x
   x = 370,492,685.34/21,766.56
6. Step 6: Final answer
   x = 17,021.19