Finding the Fourth Proportional to 1,200,093.57, 1,655,348.81 and 769,691.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,093.57 : 1,655,348.81 = 769,691.97 : x
2. Step 2: Convert to fraction form
   1,200,093.57/1,655,348.81 = 769,691.97/x
3. Step 3: Cross multiply
   1,200,093.57x = 1,655,348.81 × 769,691.97
4. Step 4: Simplify right side
   1,200,093.57x = 1,274,108,682,757.60
5. Step 5: Solve for x
   x = 1,274,108,682,757.60/1,200,093.57
6. Step 6: Final answer
   x = 1,061,674.45