Finding the Fourth Proportional to 4,111.26, 6,162.43 and 1,643.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.26 : 6,162.43 = 1,643.37 : x
2. Step 2: Convert to fraction form
   4,111.26/6,162.43 = 1,643.37/x
3. Step 3: Cross multiply
   4,111.26x = 6,162.43 × 1,643.37
4. Step 4: Simplify right side
   4,111.26x = 10,127,152.59
5. Step 5: Solve for x
   x = 10,127,152.59/4,111.26
6. Step 6: Final answer
   x = 2,463.27