Finding the Fourth Proportional to 21,164.05, 29,200.47 and 16,673.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,164.05 : 29,200.47 = 16,673.88 : x
2. Step 2: Convert to fraction form
   21,164.05/29,200.47 = 16,673.88/x
3. Step 3: Cross multiply
   21,164.05x = 29,200.47 × 16,673.88
4. Step 4: Simplify right side
   21,164.05x = 486,885,132.72
5. Step 5: Solve for x
   x = 486,885,132.72/21,164.05
6. Step 6: Final answer
   x = 23,005.30