Finding the Fourth Proportional to 2,454.39, 3,389.70 and 1,667.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.39 : 3,389.70 = 1,667.07 : x
2. Step 2: Convert to fraction form
   2,454.39/3,389.70 = 1,667.07/x
3. Step 3: Cross multiply
   2,454.39x = 3,389.70 × 1,667.07
4. Step 4: Simplify right side
   2,454.39x = 5,650,867.18
5. Step 5: Solve for x
   x = 5,650,867.18/2,454.39
6. Step 6: Final answer
   x = 2,302.35