Finding the Fourth Proportional to 188,256.77, 259,616.27 and 123,611.97

Step by Step Solution

1. Step 1: Write the proportion equation
   188,256.77 : 259,616.27 = 123,611.97 : x
2. Step 2: Convert to fraction form
   188,256.77/259,616.27 = 123,611.97/x
3. Step 3: Cross multiply
   188,256.77x = 259,616.27 × 123,611.97
4. Step 4: Simplify right side
   188,256.77x = 32,091,677,960.69
5. Step 5: Solve for x
   x = 32,091,677,960.69/188,256.77
6. Step 6: Final answer
   x = 170,467.59