Finding the Fourth Proportional to 188,064.81, 259,461.33 and 123,568.79

Step by Step Solution

1. Step 1: Write the proportion equation
   188,064.81 : 259,461.33 = 123,568.79 : x
2. Step 2: Convert to fraction form
   188,064.81/259,461.33 = 123,568.79/x
3. Step 3: Cross multiply
   188,064.81x = 259,461.33 × 123,568.79
4. Step 4: Simplify right side
   188,064.81x = 32,061,321,302.58
5. Step 5: Solve for x
   x = 32,061,321,302.58/188,064.81
6. Step 6: Final answer
   x = 170,480.17