Finding the Fourth Proportional to 2,667.14, 3,992.50 and 1,740.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.14 : 3,992.50 = 1,740.70 : x
2. Step 2: Convert to fraction form
   2,667.14/3,992.50 = 1,740.70/x
3. Step 3: Cross multiply
   2,667.14x = 3,992.50 × 1,740.70
4. Step 4: Simplify right side
   2,667.14x = 6,949,744.75
5. Step 5: Solve for x
   x = 6,949,744.75/2,667.14
6. Step 6: Final answer
   x = 2,605.69