Finding the Fourth Proportional to 1,366.52, 1,883.60 and 893.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.52 : 1,883.60 = 893.56 : x
2. Step 2: Convert to fraction form
   1,366.52/1,883.60 = 893.56/x
3. Step 3: Cross multiply
   1,366.52x = 1,883.60 × 893.56
4. Step 4: Simplify right side
   1,366.52x = 1,683,109.62
5. Step 5: Solve for x
   x = 1,683,109.62/1,366.52
6. Step 6: Final answer
   x = 1,231.68