Finding the Fourth Proportional to 1,667.31, 2,501.19 and 627.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.31 : 2,501.19 = 627.24 : x
2. Step 2: Convert to fraction form
   1,667.31/2,501.19 = 627.24/x
3. Step 3: Cross multiply
   1,667.31x = 2,501.19 × 627.24
4. Step 4: Simplify right side
   1,667.31x = 1,568,846.42
5. Step 5: Solve for x
   x = 1,568,846.42/1,667.31
6. Step 6: Final answer
   x = 940.94