Finding the Fourth Proportional to 236,362.79, 326,182.73 and 128,933.30

Step by Step Solution

1. Step 1: Write the proportion equation
   236,362.79 : 326,182.73 = 128,933.30 : x
2. Step 2: Convert to fraction form
   236,362.79/326,182.73 = 128,933.30/x
3. Step 3: Cross multiply
   236,362.79x = 326,182.73 × 128,933.30
4. Step 4: Simplify right side
   236,362.79x = 42,055,813,506.33
5. Step 5: Solve for x
   x = 42,055,813,506.33/236,362.79
6. Step 6: Final answer
   x = 177,929.08