Finding the Fourth Proportional to 21,798.49, 30,091.06 and 14,734.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,798.49 : 30,091.06 = 14,734.48 : x
2. Step 2: Convert to fraction form
   21,798.49/30,091.06 = 14,734.48/x
3. Step 3: Cross multiply
   21,798.49x = 30,091.06 × 14,734.48
4. Step 4: Simplify right side
   21,798.49x = 443,375,897.62
5. Step 5: Solve for x
   x = 443,375,897.62/21,798.49
6. Step 6: Final answer
   x = 20,339.76