Finding the Fourth Proportional to 188,434.68, 259,860.33 and 123,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   188,434.68 : 259,860.33 = 123,789.48 : x
2. Step 2: Convert to fraction form
   188,434.68/259,860.33 = 123,789.48/x
3. Step 3: Cross multiply
   188,434.68x = 259,860.33 × 123,789.48
4. Step 4: Simplify right side
   188,434.68x = 32,167,975,123.33
5. Step 5: Solve for x
   x = 32,167,975,123.33/188,434.68
6. Step 6: Final answer
   x = 170,711.54