Finding the Fourth Proportional to 214,196.91, 320,664.86 and 158,286.45

Step by Step Solution

1. Step 1: Write the proportion equation
   214,196.91 : 320,664.86 = 158,286.45 : x
2. Step 2: Convert to fraction form
   214,196.91/320,664.86 = 158,286.45/x
3. Step 3: Cross multiply
   214,196.91x = 320,664.86 × 158,286.45
4. Step 4: Simplify right side
   214,196.91x = 50,756,903,333.78
5. Step 5: Solve for x
   x = 50,756,903,333.78/214,196.91
6. Step 6: Final answer
   x = 236,963.76