Finding the Fourth Proportional to 1,641.27, 2,463.72 and 1,635.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641.27 : 2,463.72 = 1,635.18 : x
2. Step 2: Convert to fraction form
   1,641.27/2,463.72 = 1,635.18/x
3. Step 3: Cross multiply
   1,641.27x = 2,463.72 × 1,635.18
4. Step 4: Simplify right side
   1,641.27x = 4,028,625.67
5. Step 5: Solve for x
   x = 4,028,625.67/1,641.27
6. Step 6: Final answer
   x = 2,454.58