Finding the Fourth Proportional to 139,491.06, 209,234.79 and 34,310.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,491.06 : 209,234.79 = 34,310.94 : x
2. Step 2: Convert to fraction form
   139,491.06/209,234.79 = 34,310.94/x
3. Step 3: Cross multiply
   139,491.06x = 209,234.79 × 34,310.94
4. Step 4: Simplify right side
   139,491.06x = 7,179,042,325.60
5. Step 5: Solve for x
   x = 7,179,042,325.60/139,491.06
6. Step 6: Final answer
   x = 51,465.97