Finding the Fourth Proportional to 1,076.37, 1,614.71 and 383.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.37 : 1,614.71 = 383.15 : x
2. Step 2: Convert to fraction form
   1,076.37/1,614.71 = 383.15/x
3. Step 3: Cross multiply
   1,076.37x = 1,614.71 × 383.15
4. Step 4: Simplify right side
   1,076.37x = 618,678.27
5. Step 5: Solve for x
   x = 618,678.27/1,076.37
6. Step 6: Final answer
   x = 574.78