Finding the Fourth Proportional to 6,667.96, 10,003.18 and 2,772.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.96 : 10,003.18 = 2,772.68 : x
2. Step 2: Convert to fraction form
   6,667.96/10,003.18 = 2,772.68/x
3. Step 3: Cross multiply
   6,667.96x = 10,003.18 × 2,772.68
4. Step 4: Simplify right side
   6,667.96x = 27,735,617.12
5. Step 5: Solve for x
   x = 27,735,617.12/6,667.96
6. Step 6: Final answer
   x = 4,159.54