Finding the Fourth Proportional to 236,276.24, 326,061.27 and 128,843.51

Step by Step Solution

1. Step 1: Write the proportion equation
   236,276.24 : 326,061.27 = 128,843.51 : x
2. Step 2: Convert to fraction form
   236,276.24/326,061.27 = 128,843.51/x
3. Step 3: Cross multiply
   236,276.24x = 326,061.27 × 128,843.51
4. Step 4: Simplify right side
   236,276.24x = 42,010,878,501.86
5. Step 5: Solve for x
   x = 42,010,878,501.86/236,276.24
6. Step 6: Final answer
   x = 177,804.08