Finding the Fourth Proportional to 105,768.10, 158,659.35 and 33,715.30

Step by Step Solution

1. Step 1: Write the proportion equation
   105,768.10 : 158,659.35 = 33,715.30 : x
2. Step 2: Convert to fraction form
   105,768.10/158,659.35 = 33,715.30/x
3. Step 3: Cross multiply
   105,768.10x = 158,659.35 × 33,715.30
4. Step 4: Simplify right side
   105,768.10x = 5,349,247,583.06
5. Step 5: Solve for x
   x = 5,349,247,583.06/105,768.10
6. Step 6: Final answer
   x = 50,575.25