Finding the Fourth Proportional to 5,010.66, 7,507.68 and 2,667.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,010.66 : 7,507.68 = 2,667.36 : x
2. Step 2: Convert to fraction form
   5,010.66/7,507.68 = 2,667.36/x
3. Step 3: Cross multiply
   5,010.66x = 7,507.68 × 2,667.36
4. Step 4: Simplify right side
   5,010.66x = 20,025,685.32
5. Step 5: Solve for x
   x = 20,025,685.32/5,010.66
6. Step 6: Final answer
   x = 3,996.62