Finding the Fourth Proportional to 1,150.41, 1,587.43 and 678.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.41 : 1,587.43 = 678.27 : x
2. Step 2: Convert to fraction form
   1,150.41/1,587.43 = 678.27/x
3. Step 3: Cross multiply
   1,150.41x = 1,587.43 × 678.27
4. Step 4: Simplify right side
   1,150.41x = 1,076,706.15
5. Step 5: Solve for x
   x = 1,076,706.15/1,150.41
6. Step 6: Final answer
   x = 935.93