Finding the Fourth Proportional to 158,050.81, 236,826.52 and 128,323.41

Step by Step Solution

1. Step 1: Write the proportion equation
   158,050.81 : 236,826.52 = 128,323.41 : x
2. Step 2: Convert to fraction form
   158,050.81/236,826.52 = 128,323.41/x
3. Step 3: Cross multiply
   158,050.81x = 236,826.52 × 128,323.41
4. Step 4: Simplify right side
   158,050.81x = 30,390,386,624.83
5. Step 5: Solve for x
   x = 30,390,386,624.83/158,050.81
6. Step 6: Final answer
   x = 192,282.38