Finding the Fourth Proportional to 598,778.56, 826,293.72 and 356,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,778.56 : 826,293.72 = 356,936.50 : x
2. Step 2: Convert to fraction form
   598,778.56/826,293.72 = 356,936.50/x
3. Step 3: Cross multiply
   598,778.56x = 826,293.72 × 356,936.50
4. Step 4: Simplify right side
   598,778.56x = 294,934,388,388.78
5. Step 5: Solve for x
   x = 294,934,388,388.78/598,778.56
6. Step 6: Final answer
   x = 492,560.03