Finding the Fourth Proportional to 2,422.96, 3,342.71 and 1,583.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.96 : 3,342.71 = 1,583.40 : x
2. Step 2: Convert to fraction form
   2,422.96/3,342.71 = 1,583.40/x
3. Step 3: Cross multiply
   2,422.96x = 3,342.71 × 1,583.40
4. Step 4: Simplify right side
   2,422.96x = 5,292,847.01
5. Step 5: Solve for x
   x = 5,292,847.01/2,422.96
6. Step 6: Final answer
   x = 2,184.45