Finding the Fourth Proportional to 681,957, 941,100.72 and 380,151

Step by Step Solution

1. Step 1: Write the proportion equation
   681,957 : 941,100.72 = 380,151 : x
2. Step 2: Convert to fraction form
   681,957/941,100.72 = 380,151/x
3. Step 3: Cross multiply
   681,957x = 941,100.72 × 380,151
4. Step 4: Simplify right side
   681,957x = 357,760,379,808.72
5. Step 5: Solve for x
   x = 357,760,379,808.72/681,957
6. Step 6: Final answer
   x = 524,608.41