Finding the Fourth Proportional to 16,973.10, 23,423.13 and 9,419.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.10 : 23,423.13 = 9,419.58 : x
2. Step 2: Convert to fraction form
   16,973.10/23,423.13 = 9,419.58/x
3. Step 3: Cross multiply
   16,973.10x = 23,423.13 × 9,419.58
4. Step 4: Simplify right side
   16,973.10x = 220,636,046.89
5. Step 5: Solve for x
   x = 220,636,046.89/16,973.10
6. Step 6: Final answer
   x = 12,999.16