Finding the Fourth Proportional to 63,019.18, 86,965.56 and 36,161.10

Step by Step Solution

1. Step 1: Write the proportion equation
   63,019.18 : 86,965.56 = 36,161.10 : x
2. Step 2: Convert to fraction form
   63,019.18/86,965.56 = 36,161.10/x
3. Step 3: Cross multiply
   63,019.18x = 86,965.56 × 36,161.10
4. Step 4: Simplify right side
   63,019.18x = 3,144,770,311.72
5. Step 5: Solve for x
   x = 3,144,770,311.72/63,019.18
6. Step 6: Final answer
   x = 49,901.80