Finding the Fourth Proportional to 105,665.65, 158,513.28 and 34,593.85

Step by Step Solution

1. Step 1: Write the proportion equation
   105,665.65 : 158,513.28 = 34,593.85 : x
2. Step 2: Convert to fraction form
   105,665.65/158,513.28 = 34,593.85/x
3. Step 3: Cross multiply
   105,665.65x = 158,513.28 × 34,593.85
4. Step 4: Simplify right side
   105,665.65x = 5,483,584,631.33
5. Step 5: Solve for x
   x = 5,483,584,631.33/105,665.65
6. Step 6: Final answer
   x = 51,895.62