Finding the Fourth Proportional to 105,413.10, 158,139.10 and 33,384.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,413.10 : 158,139.10 = 33,384.18 : x
2. Step 2: Convert to fraction form
   105,413.10/158,139.10 = 33,384.18/x
3. Step 3: Cross multiply
   105,413.10x = 158,139.10 × 33,384.18
4. Step 4: Simplify right side
   105,413.10x = 5,279,344,179.44
5. Step 5: Solve for x
   x = 5,279,344,179.44/105,413.10
6. Step 6: Final answer
   x = 50,082.43