Finding the Fourth Proportional to 219,834.37, 303,404.04 and 139,269.37

Step by Step Solution

1. Step 1: Write the proportion equation
   219,834.37 : 303,404.04 = 139,269.37 : x
2. Step 2: Convert to fraction form
   219,834.37/303,404.04 = 139,269.37/x
3. Step 3: Cross multiply
   219,834.37x = 303,404.04 × 139,269.37
4. Step 4: Simplify right side
   219,834.37x = 42,254,889,506.25
5. Step 5: Solve for x
   x = 42,254,889,506.25/219,834.37
6. Step 6: Final answer
   x = 192,212.39