Finding the Fourth Proportional to 21,996.84, 30,359.94 and 17,207.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,996.84 : 30,359.94 = 17,207.34 : x
2. Step 2: Convert to fraction form
   21,996.84/30,359.94 = 17,207.34/x
3. Step 3: Cross multiply
   21,996.84x = 30,359.94 × 17,207.34
4. Step 4: Simplify right side
   21,996.84x = 522,413,809.96
5. Step 5: Solve for x
   x = 522,413,809.96/21,996.84
6. Step 6: Final answer
   x = 23,749.49