Finding the Fourth Proportional to 105,785.16, 158,678.28 and 35,665.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,785.16 : 158,678.28 = 35,665.08 : x
2. Step 2: Convert to fraction form
   105,785.16/158,678.28 = 35,665.08/x
3. Step 3: Cross multiply
   105,785.16x = 158,678.28 × 35,665.08
4. Step 4: Simplify right side
   105,785.16x = 5,659,273,550.46
5. Step 5: Solve for x
   x = 5,659,273,550.46/105,785.16
6. Step 6: Final answer
   x = 53,497.80