Finding the Fourth Proportional to 2,167.39, 2,987.46 and 1,694.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.39 : 2,987.46 = 1,694.45 : x
2. Step 2: Convert to fraction form
   2,167.39/2,987.46 = 1,694.45/x
3. Step 3: Cross multiply
   2,167.39x = 2,987.46 × 1,694.45
4. Step 4: Simplify right side
   2,167.39x = 5,062,101.60
5. Step 5: Solve for x
   x = 5,062,101.60/2,167.39
6. Step 6: Final answer
   x = 2,335.57