Finding the Fourth Proportional to 404,490.10, 606,966.98 and 164,559.73

Step by Step Solution

1. Step 1: Write the proportion equation
   404,490.10 : 606,966.98 = 164,559.73 : x
2. Step 2: Convert to fraction form
   404,490.10/606,966.98 = 164,559.73/x
3. Step 3: Cross multiply
   404,490.10x = 606,966.98 × 164,559.73
4. Step 4: Simplify right side
   404,490.10x = 99,882,322,347.72
5. Step 5: Solve for x
   x = 99,882,322,347.72/404,490.10
6. Step 6: Final answer
   x = 246,933.91