Finding the Fourth Proportional to 188,404.47, 259,819.65 and 123,759.99

Step by Step Solution

1. Step 1: Write the proportion equation
   188,404.47 : 259,819.65 = 123,759.99 : x
2. Step 2: Convert to fraction form
   188,404.47/259,819.65 = 123,759.99/x
3. Step 3: Cross multiply
   188,404.47x = 259,819.65 × 123,759.99
4. Step 4: Simplify right side
   188,404.47x = 32,155,277,285.80
5. Step 5: Solve for x
   x = 32,155,277,285.80/188,404.47
6. Step 6: Final answer
   x = 170,671.52