Finding the Fourth Proportional to 214,834.17, 321,945.74 and 158,229.15

Step by Step Solution

1. Step 1: Write the proportion equation
   214,834.17 : 321,945.74 = 158,229.15 : x
2. Step 2: Convert to fraction form
   214,834.17/321,945.74 = 158,229.15/x
3. Step 3: Cross multiply
   214,834.17x = 321,945.74 × 158,229.15
4. Step 4: Simplify right side
   214,834.17x = 50,941,200,786.32
5. Step 5: Solve for x
   x = 50,941,200,786.32/214,834.17
6. Step 6: Final answer
   x = 237,118.71