Finding the Fourth Proportional to 1,076.82, 1,614.61 and 383.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.82 : 1,614.61 = 383.46 : x
2. Step 2: Convert to fraction form
   1,076.82/1,614.61 = 383.46/x
3. Step 3: Cross multiply
   1,076.82x = 1,614.61 × 383.46
4. Step 4: Simplify right side
   1,076.82x = 619,138.35
5. Step 5: Solve for x
   x = 619,138.35/1,076.82
6. Step 6: Final answer
   x = 574.97