Finding the Fourth Proportional to 383,042.32, 574,164.35 and 214,315.27

Step by Step Solution

1. Step 1: Write the proportion equation
   383,042.32 : 574,164.35 = 214,315.27 : x
2. Step 2: Convert to fraction form
   383,042.32/574,164.35 = 214,315.27/x
3. Step 3: Cross multiply
   383,042.32x = 574,164.35 × 214,315.27
4. Step 4: Simplify right side
   383,042.32x = 123,052,185,991.32
5. Step 5: Solve for x
   x = 123,052,185,991.32/383,042.32
6. Step 6: Final answer
   x = 321,249.59