Finding the Fourth Proportional to 158,050.69, 236,826.34 and 128,323.28

Step by Step Solution

1. Step 1: Write the proportion equation
   158,050.69 : 236,826.34 = 128,323.28 : x
2. Step 2: Convert to fraction form
   158,050.69/236,826.34 = 128,323.28/x
3. Step 3: Cross multiply
   158,050.69x = 236,826.34 × 128,323.28
4. Step 4: Simplify right side
   158,050.69x = 30,390,332,097.58
5. Step 5: Solve for x
   x = 30,390,332,097.58/158,050.69
6. Step 6: Final answer
   x = 192,282.19