Finding the Fourth Proportional to 921,940.36, 1,269,382.56 and 783,847.69

Step by Step Solution

1. Step 1: Write the proportion equation
   921,940.36 : 1,269,382.56 = 783,847.69 : x
2. Step 2: Convert to fraction form
   921,940.36/1,269,382.56 = 783,847.69/x
3. Step 3: Cross multiply
   921,940.36x = 1,269,382.56 × 783,847.69
4. Step 4: Simplify right side
   921,940.36x = 995,002,581,035.37
5. Step 5: Solve for x
   x = 995,002,581,035.37/921,940.36
6. Step 6: Final answer
   x = 1,079,248.32