Finding the Fourth Proportional to 21,833.46, 30,106.29 and 14,747.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,833.46 : 30,106.29 = 14,747.58 : x
2. Step 2: Convert to fraction form
   21,833.46/30,106.29 = 14,747.58/x
3. Step 3: Cross multiply
   21,833.46x = 30,106.29 × 14,747.58
4. Step 4: Simplify right side
   21,833.46x = 443,994,920.28
5. Step 5: Solve for x
   x = 443,994,920.28/21,833.46
6. Step 6: Final answer
   x = 20,335.53