Finding the Fourth Proportional to 362,019.94, 499,590.96 and 200,889.98

Step by Step Solution

1. Step 1: Write the proportion equation
   362,019.94 : 499,590.96 = 200,889.98 : x
2. Step 2: Convert to fraction form
   362,019.94/499,590.96 = 200,889.98/x
3. Step 3: Cross multiply
   362,019.94x = 499,590.96 × 200,889.98
4. Step 4: Simplify right side
   362,019.94x = 100,362,817,962.58
5. Step 5: Solve for x
   x = 100,362,817,962.58/362,019.94
6. Step 6: Final answer
   x = 277,230.08