Finding the Fourth Proportional to 2,164.43, 2,987.19 and 1,419.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.43 : 2,987.19 = 1,419.02 : x
2. Step 2: Convert to fraction form
   2,164.43/2,987.19 = 1,419.02/x
3. Step 3: Cross multiply
   2,164.43x = 2,987.19 × 1,419.02
4. Step 4: Simplify right side
   2,164.43x = 4,238,882.35
5. Step 5: Solve for x
   x = 4,238,882.35/2,164.43
6. Step 6: Final answer
   x = 1,958.43