Finding the Fourth Proportional to 105,819.67, 158,719.79 and 35,699.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,819.67 : 158,719.79 = 35,699.59 : x
2. Step 2: Convert to fraction form
   105,819.67/158,719.79 = 35,699.59/x
3. Step 3: Cross multiply
   105,819.67x = 158,719.79 × 35,699.59
4. Step 4: Simplify right side
   105,819.67x = 5,666,231,249.39
5. Step 5: Solve for x
   x = 5,666,231,249.39/105,819.67
6. Step 6: Final answer
   x = 53,546.11