Finding the Fourth Proportional to 1,641.59, 2,265.31 and 895.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641.59 : 2,265.31 = 895.54 : x
2. Step 2: Convert to fraction form
   1,641.59/2,265.31 = 895.54/x
3. Step 3: Cross multiply
   1,641.59x = 2,265.31 × 895.54
4. Step 4: Simplify right side
   1,641.59x = 2,028,675.72
5. Step 5: Solve for x
   x = 2,028,675.72/1,641.59
6. Step 6: Final answer
   x = 1,235.80