Finding the Fourth Proportional to 1,079,540, 1,619,302.72 and 359,936.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079,540 : 1,619,302.72 = 359,936.80 : x
2. Step 2: Convert to fraction form
   1,079,540/1,619,302.72 = 359,936.80/x
3. Step 3: Cross multiply
   1,079,540x = 1,619,302.72 × 359,936.80
4. Step 4: Simplify right side
   1,079,540x = 582,846,639,268.10
5. Step 5: Solve for x
   x = 582,846,639,268.10/1,079,540
6. Step 6: Final answer
   x = 539,902.77