Finding the Fourth Proportional to 1,558.49, 2,150.55 and 895.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.49 : 2,150.55 = 895.55 : x
2. Step 2: Convert to fraction form
   1,558.49/2,150.55 = 895.55/x
3. Step 3: Cross multiply
   1,558.49x = 2,150.55 × 895.55
4. Step 4: Simplify right side
   1,558.49x = 1,925,914.30
5. Step 5: Solve for x
   x = 1,925,914.30/1,558.49
6. Step 6: Final answer
   x = 1,235.76