Finding the Fourth Proportional to 2,970.45, 4,449.96 and 1,667.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970.45 : 4,449.96 = 1,667.97 : x
2. Step 2: Convert to fraction form
   2,970.45/4,449.96 = 1,667.97/x
3. Step 3: Cross multiply
   2,970.45x = 4,449.96 × 1,667.97
4. Step 4: Simplify right side
   2,970.45x = 7,422,399.78
5. Step 5: Solve for x
   x = 7,422,399.78/2,970.45
6. Step 6: Final answer
   x = 2,498.75