Finding the Fourth Proportional to 16,973.83, 23,423.90 and 9,420.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.83 : 23,423.90 = 9,420.27 : x
2. Step 2: Convert to fraction form
   16,973.83/23,423.90 = 9,420.27/x
3. Step 3: Cross multiply
   16,973.83x = 23,423.90 × 9,420.27
4. Step 4: Simplify right side
   16,973.83x = 220,659,462.45
5. Step 5: Solve for x
   x = 220,659,462.45/16,973.83
6. Step 6: Final answer
   x = 12,999.98