Finding the Fourth Proportional to 1,627.80, 2,436.72 and 895.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.80 : 2,436.72 = 895.16 : x
2. Step 2: Convert to fraction form
   1,627.80/2,436.72 = 895.16/x
3. Step 3: Cross multiply
   1,627.80x = 2,436.72 × 895.16
4. Step 4: Simplify right side
   1,627.80x = 2,181,242.09
5. Step 5: Solve for x
   x = 2,181,242.09/1,627.80
6. Step 6: Final answer
   x = 1,339.99