Finding the Fourth Proportional to 1,105,715.56, 1,656,845.34 and 769,413.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,715.56 : 1,656,845.34 = 769,413.28 : x
2. Step 2: Convert to fraction form
   1,105,715.56/1,656,845.34 = 769,413.28/x
3. Step 3: Cross multiply
   1,105,715.56x = 1,656,845.34 × 769,413.28
4. Step 4: Simplify right side
   1,105,715.56x = 1,274,798,807,502.12
5. Step 5: Solve for x
   x = 1,274,798,807,502.12/1,105,715.56
6. Step 6: Final answer
   x = 1,152,917.49