Finding the Fourth Proportional to 404,389.42, 606,562.26 and 123,907.48

Step by Step Solution

1. Step 1: Write the proportion equation
   404,389.42 : 606,562.26 = 123,907.48 : x
2. Step 2: Convert to fraction form
   404,389.42/606,562.26 = 123,907.48/x
3. Step 3: Cross multiply
   404,389.42x = 606,562.26 × 123,907.48
4. Step 4: Simplify right side
   404,389.42x = 75,157,601,099.70
5. Step 5: Solve for x
   x = 75,157,601,099.70/404,389.42
6. Step 6: Final answer
   x = 185,854.52