Finding the Fourth Proportional to 404,471.04, 606,789.59 and 120,136.27

Step by Step Solution

1. Step 1: Write the proportion equation
   404,471.04 : 606,789.59 = 120,136.27 : x
2. Step 2: Convert to fraction form
   404,471.04/606,789.59 = 120,136.27/x
3. Step 3: Cross multiply
   404,471.04x = 606,789.59 × 120,136.27
4. Step 4: Simplify right side
   404,471.04x = 72,897,435,628.70
5. Step 5: Solve for x
   x = 72,897,435,628.70/404,471.04
6. Step 6: Final answer
   x = 180,229.06