Finding the Fourth Proportional to 404,387.92, 606,560.01 and 123,905.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,387.92 : 606,560.01 = 123,905.98 : x
2. Step 2: Convert to fraction form
   404,387.92/606,560.01 = 123,905.98/x
3. Step 3: Cross multiply
   404,387.92x = 606,560.01 × 123,905.98
4. Step 4: Simplify right side
   404,387.92x = 75,156,412,467.86
5. Step 5: Solve for x
   x = 75,156,412,467.86/404,387.92
6. Step 6: Final answer
   x = 185,852.27