Finding the Fourth Proportional to 404,759.16, 558,614.88 and 336,655.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,759.16 : 558,614.88 = 336,655.98 : x
2. Step 2: Convert to fraction form
   404,759.16/558,614.88 = 336,655.98/x
3. Step 3: Cross multiply
   404,759.16x = 558,614.88 × 336,655.98
4. Step 4: Simplify right side
   404,759.16x = 188,061,039,868.98
5. Step 5: Solve for x
   x = 188,061,039,868.98/404,759.16
6. Step 6: Final answer
   x = 464,624.54