Finding the Fourth Proportional to 308,353.39, 425,598.78 and 200,735.98

Step by Step Solution

1. Step 1: Write the proportion equation
   308,353.39 : 425,598.78 = 200,735.98 : x
2. Step 2: Convert to fraction form
   308,353.39/425,598.78 = 200,735.98/x
3. Step 3: Cross multiply
   308,353.39x = 425,598.78 × 200,735.98
4. Step 4: Simplify right side
   308,353.39x = 85,432,988,190.10
5. Step 5: Solve for x
   x = 85,432,988,190.10/308,353.39
6. Step 6: Final answer
   x = 277,061.94