Finding the Fourth Proportional to 1,667.86, 2,501.41 and 627.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.86 : 2,501.41 = 627.97 : x
2. Step 2: Convert to fraction form
   1,667.86/2,501.41 = 627.97/x
3. Step 3: Cross multiply
   1,667.86x = 2,501.41 × 627.97
4. Step 4: Simplify right side
   1,667.86x = 1,570,813.17
5. Step 5: Solve for x
   x = 1,570,813.17/1,667.86
6. Step 6: Final answer
   x = 941.81