Finding the Fourth Proportional to 1,602.72, 2,211.70 and 894.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.72 : 2,211.70 = 894.56 : x
2. Step 2: Convert to fraction form
   1,602.72/2,211.70 = 894.56/x
3. Step 3: Cross multiply
   1,602.72x = 2,211.70 × 894.56
4. Step 4: Simplify right side
   1,602.72x = 1,978,493.88
5. Step 5: Solve for x
   x = 1,978,493.88/1,602.72
6. Step 6: Final answer
   x = 1,234.46