Finding the Fourth Proportional to 861,751.89, 1,291,417.92 and 681,042.82

Step by Step Solution

1. Step 1: Write the proportion equation
   861,751.89 : 1,291,417.92 = 681,042.82 : x
2. Step 2: Convert to fraction form
   861,751.89/1,291,417.92 = 681,042.82/x
3. Step 3: Cross multiply
   861,751.89x = 1,291,417.92 × 681,042.82
4. Step 4: Simplify right side
   861,751.89x = 879,510,902,035.33
5. Step 5: Solve for x
   x = 879,510,902,035.33/861,751.89
6. Step 6: Final answer
   x = 1,020,608.03