Finding the Fourth Proportional to 16,994, 23,451.72 and 9,542.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,994 : 23,451.72 = 9,542.16 : x
2. Step 2: Convert to fraction form
   16,994/23,451.72 = 9,542.16/x
3. Step 3: Cross multiply
   16,994x = 23,451.72 × 9,542.16
4. Step 4: Simplify right side
   16,994x = 223,780,064.52
5. Step 5: Solve for x
   x = 223,780,064.52/16,994
6. Step 6: Final answer
   x = 13,168.18