Finding the Fourth Proportional to 221,194.72, 331,617.12 and 158,014.72

Step by Step Solution

1. Step 1: Write the proportion equation
   221,194.72 : 331,617.12 = 158,014.72 : x
2. Step 2: Convert to fraction form
   221,194.72/331,617.12 = 158,014.72/x
3. Step 3: Cross multiply
   221,194.72x = 331,617.12 × 158,014.72
4. Step 4: Simplify right side
   221,194.72x = 52,400,386,364.01
5. Step 5: Solve for x
   x = 52,400,386,364.01/221,194.72
6. Step 6: Final answer
   x = 236,897.09