Finding the Fourth Proportional to 2,943.39, 4,411.71 and 1,642.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.39 : 4,411.71 = 1,642.26 : x
2. Step 2: Convert to fraction form
   2,943.39/4,411.71 = 1,642.26/x
3. Step 3: Cross multiply
   2,943.39x = 4,411.71 × 1,642.26
4. Step 4: Simplify right side
   2,943.39x = 7,245,174.86
5. Step 5: Solve for x
   x = 7,245,174.86/2,943.39
6. Step 6: Final answer
   x = 2,461.51