Finding the Fourth Proportional to 681,189, 940,069.98 and 379,383

Step by Step Solution

1. Step 1: Write the proportion equation
   681,189 : 940,069.98 = 379,383 : x
2. Step 2: Convert to fraction form
   681,189/940,069.98 = 379,383/x
3. Step 3: Cross multiply
   681,189x = 940,069.98 × 379,383
4. Step 4: Simplify right side
   681,189x = 356,646,569,222.34
5. Step 5: Solve for x
   x = 356,646,569,222.34/681,189
6. Step 6: Final answer
   x = 523,564.78