Finding the Fourth Proportional to 1,667.46, 2,495.94 and 1,144.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.46 : 2,495.94 = 1,144.40 : x
2. Step 2: Convert to fraction form
   1,667.46/2,495.94 = 1,144.40/x
3. Step 3: Cross multiply
   1,667.46x = 2,495.94 × 1,144.40
4. Step 4: Simplify right side
   1,667.46x = 2,856,335.53
5. Step 5: Solve for x
   x = 2,856,335.53/1,667.46
6. Step 6: Final answer
   x = 1,712.99