Finding the Fourth Proportional to 105,786.16, 158,679.78 and 35,666.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,786.16 : 158,679.78 = 35,666.08 : x
2. Step 2: Convert to fraction form
   105,786.16/158,679.78 = 35,666.08/x
3. Step 3: Cross multiply
   105,786.16x = 158,679.78 × 35,666.08
4. Step 4: Simplify right side
   105,786.16x = 5,659,485,727.86
5. Step 5: Solve for x
   x = 5,659,485,727.86/105,786.16
6. Step 6: Final answer
   x = 53,499.30