Finding the Fourth Proportional to 105,691.69, 158,553.93 and 35,565.53

Step by Step Solution

1. Step 1: Write the proportion equation
   105,691.69 : 158,553.93 = 35,565.53 : x
2. Step 2: Convert to fraction form
   105,691.69/158,553.93 = 35,565.53/x
3. Step 3: Cross multiply
   105,691.69x = 158,553.93 × 35,565.53
4. Step 4: Simplify right side
   105,691.69x = 5,639,054,554.03
5. Step 5: Solve for x
   x = 5,639,054,554.03/105,691.69
6. Step 6: Final answer
   x = 53,353.81