Finding the Fourth Proportional to 12,078.33, 16,667.42 and 7,043.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,078.33 : 16,667.42 = 7,043.37 : x
2. Step 2: Convert to fraction form
   12,078.33/16,667.42 = 7,043.37/x
3. Step 3: Cross multiply
   12,078.33x = 16,667.42 × 7,043.37
4. Step 4: Simplify right side
   12,078.33x = 117,394,770.79
5. Step 5: Solve for x
   x = 117,394,770.79/12,078.33
6. Step 6: Final answer
   x = 9,719.45