Finding the Fourth Proportional to 21,833.43, 30,106.32 and 14,747.55

Step by Step Solution

1. Step 1: Write the proportion equation
   21,833.43 : 30,106.32 = 14,747.55 : x
2. Step 2: Convert to fraction form
   21,833.43/30,106.32 = 14,747.55/x
3. Step 3: Cross multiply
   21,833.43x = 30,106.32 × 14,747.55
4. Step 4: Simplify right side
   21,833.43x = 443,994,459.52
5. Step 5: Solve for x
   x = 443,994,459.52/21,833.43
6. Step 6: Final answer
   x = 20,335.53