Finding the Fourth Proportional to 1,116,928, 1,541,444.88 and 681,306.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,928 : 1,541,444.88 = 681,306.31 : x
2. Step 2: Convert to fraction form
   1,116,928/1,541,444.88 = 681,306.31/x
3. Step 3: Cross multiply
   1,116,928x = 1,541,444.88 × 681,306.31
4. Step 4: Simplify right side
   1,116,928x = 1,050,196,123,261.19
5. Step 5: Solve for x
   x = 1,050,196,123,261.19/1,116,928
6. Step 6: Final answer
   x = 940,254.09