Finding the Fourth Proportional to 236,131.56, 325,859.46 and 128,701.59

Step by Step Solution

1. Step 1: Write the proportion equation
   236,131.56 : 325,859.46 = 128,701.59 : x
2. Step 2: Convert to fraction form
   236,131.56/325,859.46 = 128,701.59/x
3. Step 3: Cross multiply
   236,131.56x = 325,859.46 × 128,701.59
4. Step 4: Simplify right side
   236,131.56x = 41,938,630,618.54
5. Step 5: Solve for x
   x = 41,938,630,618.54/236,131.56
6. Step 6: Final answer
   x = 177,607.05