Finding the Fourth Proportional to 1,076.55, 1,611.18 and 894.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.55 : 1,611.18 = 894.30 : x
2. Step 2: Convert to fraction form
   1,076.55/1,611.18 = 894.30/x
3. Step 3: Cross multiply
   1,076.55x = 1,611.18 × 894.30
4. Step 4: Simplify right side
   1,076.55x = 1,440,878.27
5. Step 5: Solve for x
   x = 1,440,878.27/1,076.55
6. Step 6: Final answer
   x = 1,338.42