Finding the Fourth Proportional to 1,641.40, 2,265.12 and 895.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641.40 : 2,265.12 = 895.37 : x
2. Step 2: Convert to fraction form
   1,641.40/2,265.12 = 895.37/x
3. Step 3: Cross multiply
   1,641.40x = 2,265.12 × 895.37
4. Step 4: Simplify right side
   1,641.40x = 2,028,109.17
5. Step 5: Solve for x
   x = 2,028,109.17/1,641.40
6. Step 6: Final answer
   x = 1,235.60