Finding the Fourth Proportional to 21,799.62, 30,026.18 and 16,754.20

Step by Step Solution

1. Step 1: Write the proportion equation
   21,799.62 : 30,026.18 = 16,754.20 : x
2. Step 2: Convert to fraction form
   21,799.62/30,026.18 = 16,754.20/x
3. Step 3: Cross multiply
   21,799.62x = 30,026.18 × 16,754.20
4. Step 4: Simplify right side
   21,799.62x = 503,064,591.78
5. Step 5: Solve for x
   x = 503,064,591.78/21,799.62
6. Step 6: Final answer
   x = 23,076.76