Finding the Fourth Proportional to 6,667.70, 9,993.18 and 3,381.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.70 : 9,993.18 = 3,381.62 : x
2. Step 2: Convert to fraction form
   6,667.70/9,993.18 = 3,381.62/x
3. Step 3: Cross multiply
   6,667.70x = 9,993.18 × 3,381.62
4. Step 4: Simplify right side
   6,667.70x = 33,793,137.35
5. Step 5: Solve for x
   x = 33,793,137.35/6,667.70
6. Step 6: Final answer
   x = 5,068.19