Finding the Fourth Proportional to 1,039,480.12, 1,435,859.28 and 836,296.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,480.12 : 1,435,859.28 = 836,296.48 : x
2. Step 2: Convert to fraction form
   1,039,480.12/1,435,859.28 = 836,296.48/x
3. Step 3: Cross multiply
   1,039,480.12x = 1,435,859.28 × 836,296.48
4. Step 4: Simplify right side
   1,039,480.12x = 1,200,804,061,639.33
5. Step 5: Solve for x
   x = 1,200,804,061,639.33/1,039,480.12
6. Step 6: Final answer
   x = 1,155,196.76