Finding the Fourth Proportional to 105,743.28, 158,551.55 and 33,665.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,743.28 : 158,551.55 = 33,665.04 : x
2. Step 2: Convert to fraction form
   105,743.28/158,551.55 = 33,665.04/x
3. Step 3: Cross multiply
   105,743.28x = 158,551.55 × 33,665.04
4. Step 4: Simplify right side
   105,743.28x = 5,337,643,613.76
5. Step 5: Solve for x
   x = 5,337,643,613.76/105,743.28
6. Step 6: Final answer
   x = 50,477.38