Finding the Fourth Proportional to 139,504.23, 209,224.82 and 39,662.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,504.23 : 209,224.82 = 39,662.24 : x
2. Step 2: Convert to fraction form
   139,504.23/209,224.82 = 39,662.24/x
3. Step 3: Cross multiply
   139,504.23x = 209,224.82 × 39,662.24
4. Step 4: Simplify right side
   139,504.23x = 8,298,324,077.83
5. Step 5: Solve for x
   x = 8,298,324,077.83/139,504.23
6. Step 6: Final answer
   x = 59,484.39