Finding the Fourth Proportional to 139,196.60, 208,793.90 and 34,014.60

Step by Step Solution

1. Step 1: Write the proportion equation
   139,196.60 : 208,793.90 = 34,014.60 : x
2. Step 2: Convert to fraction form
   139,196.60/208,793.90 = 34,014.60/x
3. Step 3: Cross multiply
   139,196.60x = 208,793.90 × 34,014.60
4. Step 4: Simplify right side
   139,196.60x = 7,102,040,990.94
5. Step 5: Solve for x
   x = 7,102,040,990.94/139,196.60
6. Step 6: Final answer
   x = 51,021.66