Finding the Fourth Proportional to 21,760.16, 30,018.34 and 14,203

Step by Step Solution

1. Step 1: Write the proportion equation
   21,760.16 : 30,018.34 = 14,203 : x
2. Step 2: Convert to fraction form
   21,760.16/30,018.34 = 14,203/x
3. Step 3: Cross multiply
   21,760.16x = 30,018.34 × 14,203
4. Step 4: Simplify right side
   21,760.16x = 426,350,483.02
5. Step 5: Solve for x
   x = 426,350,483.02/21,760.16
6. Step 6: Final answer
   x = 19,593.17