Finding the Fourth Proportional to 404,306.50, 606,516.02 and 148,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   404,306.50 : 606,516.02 = 148,105.83 : x
2. Step 2: Convert to fraction form
   404,306.50/606,516.02 = 148,105.83/x
3. Step 3: Cross multiply
   404,306.50x = 606,516.02 × 148,105.83
4. Step 4: Simplify right side
   404,306.50x = 89,828,555,813.13
5. Step 5: Solve for x
   x = 89,828,555,813.13/404,306.50
6. Step 6: Final answer
   x = 222,179.35