Finding the Fourth Proportional to 236,250.69, 326,018.85 and 128,822.82

Step by Step Solution

1. Step 1: Write the proportion equation
   236,250.69 : 326,018.85 = 128,822.82 : x
2. Step 2: Convert to fraction form
   236,250.69/326,018.85 = 128,822.82/x
3. Step 3: Cross multiply
   236,250.69x = 326,018.85 × 128,822.82
4. Step 4: Simplify right side
   236,250.69x = 41,998,667,630.16
5. Step 5: Solve for x
   x = 41,998,667,630.16/236,250.69
6. Step 6: Final answer
   x = 177,771.62