Finding the Fourth Proportional to 404,388.42, 606,560.76 and 123,906.48

Step by Step Solution

1. Step 1: Write the proportion equation
   404,388.42 : 606,560.76 = 123,906.48 : x
2. Step 2: Convert to fraction form
   404,388.42/606,560.76 = 123,906.48/x
3. Step 3: Cross multiply
   404,388.42x = 606,560.76 × 123,906.48
4. Step 4: Simplify right side
   404,388.42x = 75,156,808,677.72
5. Step 5: Solve for x
   x = 75,156,808,677.72/404,388.42
6. Step 6: Final answer
   x = 185,853.02