Finding the Fourth Proportional to 2,389.82, 3,584.56 and 1,422.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.82 : 3,584.56 = 1,422.08 : x
2. Step 2: Convert to fraction form
   2,389.82/3,584.56 = 1,422.08/x
3. Step 3: Cross multiply
   2,389.82x = 3,584.56 × 1,422.08
4. Step 4: Simplify right side
   2,389.82x = 5,097,531.08
5. Step 5: Solve for x
   x = 5,097,531.08/2,389.82
6. Step 6: Final answer
   x = 2,133.02