Finding the Fourth Proportional to 2,559.38, 3,836.55 and 1,079.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.38 : 3,836.55 = 1,079.02 : x
2. Step 2: Convert to fraction form
   2,559.38/3,836.55 = 1,079.02/x
3. Step 3: Cross multiply
   2,559.38x = 3,836.55 × 1,079.02
4. Step 4: Simplify right side
   2,559.38x = 4,139,716.95
5. Step 5: Solve for x
   x = 4,139,716.95/2,559.38
6. Step 6: Final answer
   x = 1,617.47