Finding the Fourth Proportional to 1,641.90, 2,265.83 and 895.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641.90 : 2,265.83 = 895.86 : x
2. Step 2: Convert to fraction form
   1,641.90/2,265.83 = 895.86/x
3. Step 3: Cross multiply
   1,641.90x = 2,265.83 × 895.86
4. Step 4: Simplify right side
   1,641.90x = 2,029,850.66
5. Step 5: Solve for x
   x = 2,029,850.66/1,641.90
6. Step 6: Final answer
   x = 1,236.29