Finding the Fourth Proportional to 1,641.77, 2,445.23 and 1,633.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641.77 : 2,445.23 = 1,633.82 : x
2. Step 2: Convert to fraction form
   1,641.77/2,445.23 = 1,633.82/x
3. Step 3: Cross multiply
   1,641.77x = 2,445.23 × 1,633.82
4. Step 4: Simplify right side
   1,641.77x = 3,995,057.54
5. Step 5: Solve for x
   x = 3,995,057.54/1,641.77
6. Step 6: Final answer
   x = 2,433.39