Finding the Fourth Proportional to 679,441.50, 937,687.59 and 377,693.82

Step by Step Solution

1. Step 1: Write the proportion equation
   679,441.50 : 937,687.59 = 377,693.82 : x
2. Step 2: Convert to fraction form
   679,441.50/937,687.59 = 377,693.82/x
3. Step 3: Cross multiply
   679,441.50x = 937,687.59 × 377,693.82
4. Step 4: Simplify right side
   679,441.50x = 354,158,807,833.69
5. Step 5: Solve for x
   x = 354,158,807,833.69/679,441.50
6. Step 6: Final answer
   x = 521,249.89