Finding the Fourth Proportional to 6,667.02, 9,997.18 and 2,223.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.02 : 9,997.18 = 2,223.12 : x
2. Step 2: Convert to fraction form
   6,667.02/9,997.18 = 2,223.12/x
3. Step 3: Cross multiply
   6,667.02x = 9,997.18 × 2,223.12
4. Step 4: Simplify right side
   6,667.02x = 22,224,930.80
5. Step 5: Solve for x
   x = 22,224,930.80/6,667.02
6. Step 6: Final answer
   x = 3,333.56