Finding the Fourth Proportional to 63,003.83, 86,647.35 and 50,105.31

Step by Step Solution

1. Step 1: Write the proportion equation
   63,003.83 : 86,647.35 = 50,105.31 : x
2. Step 2: Convert to fraction form
   63,003.83/86,647.35 = 50,105.31/x
3. Step 3: Cross multiply
   63,003.83x = 86,647.35 × 50,105.31
4. Step 4: Simplify right side
   63,003.83x = 4,341,492,016.33
5. Step 5: Solve for x
   x = 4,341,492,016.33/63,003.83
6. Step 6: Final answer
   x = 68,908.39