Finding the Fourth Proportional to 326,016.93, 488,972.91 and 89,304.29

Step by Step Solution

1. Step 1: Write the proportion equation
   326,016.93 : 488,972.91 = 89,304.29 : x
2. Step 2: Convert to fraction form
   326,016.93/488,972.91 = 89,304.29/x
3. Step 3: Cross multiply
   326,016.93x = 488,972.91 × 89,304.29
4. Step 4: Simplify right side
   326,016.93x = 43,667,378,556.78
5. Step 5: Solve for x
   x = 43,667,378,556.78/326,016.93
6. Step 6: Final answer
   x = 133,942.06