Finding the Fourth Proportional to 139,944.48, 209,915.94 and 34,763.40

Step by Step Solution

1. Step 1: Write the proportion equation
   139,944.48 : 209,915.94 = 34,763.40 : x
2. Step 2: Convert to fraction form
   139,944.48/209,915.94 = 34,763.40/x
3. Step 3: Cross multiply
   139,944.48x = 209,915.94 × 34,763.40
4. Step 4: Simplify right side
   139,944.48x = 7,297,391,788.60
5. Step 5: Solve for x
   x = 7,297,391,788.60/139,944.48
6. Step 6: Final answer
   x = 52,144.91