Finding the Fourth Proportional to 2,189.22, 3,024.42 and 1,434.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.22 : 3,024.42 = 1,434.79 : x
2. Step 2: Convert to fraction form
   2,189.22/3,024.42 = 1,434.79/x
3. Step 3: Cross multiply
   2,189.22x = 3,024.42 × 1,434.79
4. Step 4: Simplify right side
   2,189.22x = 4,339,417.12
5. Step 5: Solve for x
   x = 4,339,417.12/2,189.22
6. Step 6: Final answer
   x = 1,982.17