Finding the Fourth Proportional to 1,116,930, 1,541,447.64 and 681,308.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,930 : 1,541,447.64 = 681,308.31 : x
2. Step 2: Convert to fraction form
   1,116,930/1,541,447.64 = 681,308.31/x
3. Step 3: Cross multiply
   1,116,930x = 1,541,447.64 × 681,308.31
4. Step 4: Simplify right side
   1,116,930x = 1,050,201,086,561.89
5. Step 5: Solve for x
   x = 1,050,201,086,561.89/1,116,930
6. Step 6: Final answer
   x = 940,256.85