Finding the Fourth Proportional to 21,767.43, 30,054.39 and 16,992.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,767.43 : 30,054.39 = 16,992.69 : x
2. Step 2: Convert to fraction form
   21,767.43/30,054.39 = 16,992.69/x
3. Step 3: Cross multiply
   21,767.43x = 30,054.39 × 16,992.69
4. Step 4: Simplify right side
   21,767.43x = 510,704,851.57
5. Step 5: Solve for x
   x = 510,704,851.57/21,767.43
6. Step 6: Final answer
   x = 23,461.88