Finding the Fourth Proportional to 683,016.05, 942,543.38 and 377,086.87

Step by Step Solution

1. Step 1: Write the proportion equation
   683,016.05 : 942,543.38 = 377,086.87 : x
2. Step 2: Convert to fraction form
   683,016.05/942,543.38 = 377,086.87/x
3. Step 3: Cross multiply
   683,016.05x = 942,543.38 × 377,086.87
4. Step 4: Simplify right side
   683,016.05x = 355,420,733,003.42
5. Step 5: Solve for x
   x = 355,420,733,003.42/683,016.05
6. Step 6: Final answer
   x = 520,369.52