Finding the Fourth Proportional to 21,832.16, 30,118.80 and 14,756

Step by Step Solution

1. Step 1: Write the proportion equation
   21,832.16 : 30,118.80 = 14,756 : x
2. Step 2: Convert to fraction form
   21,832.16/30,118.80 = 14,756/x
3. Step 3: Cross multiply
   21,832.16x = 30,118.80 × 14,756
4. Step 4: Simplify right side
   21,832.16x = 444,433,012.80
5. Step 5: Solve for x
   x = 444,433,012.80/21,832.16
6. Step 6: Final answer
   x = 20,356.80