Finding the Fourth Proportional to 188,315.63, 259,920.83 and 107,789.84

Step by Step Solution

1. Step 1: Write the proportion equation
   188,315.63 : 259,920.83 = 107,789.84 : x
2. Step 2: Convert to fraction form
   188,315.63/259,920.83 = 107,789.84/x
3. Step 3: Cross multiply
   188,315.63x = 259,920.83 × 107,789.84
4. Step 4: Simplify right side
   188,315.63x = 28,016,824,139.42
5. Step 5: Solve for x
   x = 28,016,824,139.42/188,315.63
6. Step 6: Final answer
   x = 148,775.88