Finding the Fourth Proportional to 681,147, 940,012.02 and 379,341

Step by Step Solution

1. Step 1: Write the proportion equation
   681,147 : 940,012.02 = 379,341 : x
2. Step 2: Convert to fraction form
   681,147/940,012.02 = 379,341/x
3. Step 3: Cross multiply
   681,147x = 940,012.02 × 379,341
4. Step 4: Simplify right side
   681,147x = 356,585,099,678.82
5. Step 5: Solve for x
   x = 356,585,099,678.82/681,147
6. Step 6: Final answer
   x = 523,506.82