Finding the Fourth Proportional to 158,945.98, 238,270.72 and 53,691.34

Step by Step Solution

1. Step 1: Write the proportion equation
   158,945.98 : 238,270.72 = 53,691.34 : x
2. Step 2: Convert to fraction form
   158,945.98/238,270.72 = 53,691.34/x
3. Step 3: Cross multiply
   158,945.98x = 238,270.72 × 53,691.34
4. Step 4: Simplify right side
   158,945.98x = 12,793,074,239.56
5. Step 5: Solve for x
   x = 12,793,074,239.56/158,945.98
6. Step 6: Final answer
   x = 80,486.93