Finding the Fourth Proportional to 16,667.12, 22,991.96 and 12,124.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,667.12 : 22,991.96 = 12,124.69 : x
2. Step 2: Convert to fraction form
   16,667.12/22,991.96 = 12,124.69/x
3. Step 3: Cross multiply
   16,667.12x = 22,991.96 × 12,124.69
4. Step 4: Simplify right side
   16,667.12x = 278,770,360.32
5. Step 5: Solve for x
   x = 278,770,360.32/16,667.12
6. Step 6: Final answer
   x = 16,725.76