Finding the Fourth Proportional to 21,825.47, 30,095.30 and 14,739.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,825.47 : 30,095.30 = 14,739.59 : x
2. Step 2: Convert to fraction form
   21,825.47/30,095.30 = 14,739.59/x
3. Step 3: Cross multiply
   21,825.47x = 30,095.30 × 14,739.59
4. Step 4: Simplify right side
   21,825.47x = 443,592,495.01
5. Step 5: Solve for x
   x = 443,592,495.01/21,825.47
6. Step 6: Final answer
   x = 20,324.53