Finding the Fourth Proportional to 681,150.42, 940,016.74 and 379,344.42

Step by Step Solution

1. Step 1: Write the proportion equation
   681,150.42 : 940,016.74 = 379,344.42 : x
2. Step 2: Convert to fraction form
   681,150.42/940,016.74 = 379,344.42/x
3. Step 3: Cross multiply
   681,150.42x = 940,016.74 × 379,344.42
4. Step 4: Simplify right side
   681,150.42x = 356,590,105,025.59
5. Step 5: Solve for x
   x = 356,590,105,025.59/681,150.42
6. Step 6: Final answer
   x = 523,511.54