Finding the Fourth Proportional to 105,891.72, 158,861.34 and 35,769.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,891.72 : 158,861.34 = 35,769.24 : x
2. Step 2: Convert to fraction form
   105,891.72/158,861.34 = 35,769.24/x
3. Step 3: Cross multiply
   105,891.72x = 158,861.34 × 35,769.24
4. Step 4: Simplify right side
   105,891.72x = 5,682,349,397.18
5. Step 5: Solve for x
   x = 5,682,349,397.18/105,891.72
6. Step 6: Final answer
   x = 53,661.89