Finding the Fourth Proportional to 404,150.94, 606,288.70 and 137,849.24

Step by Step Solution

1. Step 1: Write the proportion equation
   404,150.94 : 606,288.70 = 137,849.24 : x
2. Step 2: Convert to fraction form
   404,150.94/606,288.70 = 137,849.24/x
3. Step 3: Cross multiply
   404,150.94x = 606,288.70 × 137,849.24
4. Step 4: Simplify right side
   404,150.94x = 83,576,436,515.59
5. Step 5: Solve for x
   x = 83,576,436,515.59/404,150.94
6. Step 6: Final answer
   x = 206,795.11