Finding the Fourth Proportional to 2,422.28, 3,342.24 and 1,584.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.28 : 3,342.24 = 1,584.22 : x
2. Step 2: Convert to fraction form
   2,422.28/3,342.24 = 1,584.22/x
3. Step 3: Cross multiply
   2,422.28x = 3,342.24 × 1,584.22
4. Step 4: Simplify right side
   2,422.28x = 5,294,818.82
5. Step 5: Solve for x
   x = 5,294,818.82/2,422.28
6. Step 6: Final answer
   x = 2,185.88