Finding the Fourth Proportional to 1,558.58, 2,150.78 and 894.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.58 : 2,150.78 = 894.96 : x
2. Step 2: Convert to fraction form
   1,558.58/2,150.78 = 894.96/x
3. Step 3: Cross multiply
   1,558.58x = 2,150.78 × 894.96
4. Step 4: Simplify right side
   1,558.58x = 1,924,862.07
5. Step 5: Solve for x
   x = 1,924,862.07/1,558.58
6. Step 6: Final answer
   x = 1,235.01