Finding the Fourth Proportional to 1,558.32, 2,150.43 and 894.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.32 : 2,150.43 = 894.72 : x
2. Step 2: Convert to fraction form
   1,558.32/2,150.43 = 894.72/x
3. Step 3: Cross multiply
   1,558.32x = 2,150.43 × 894.72
4. Step 4: Simplify right side
   1,558.32x = 1,924,032.73
5. Step 5: Solve for x
   x = 1,924,032.73/1,558.32
6. Step 6: Final answer
   x = 1,234.68