Finding the Fourth Proportional to 1,559.10, 2,151.48 and 1,036.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.10 : 2,151.48 = 1,036.08 : x
2. Step 2: Convert to fraction form
   1,559.10/2,151.48 = 1,036.08/x
3. Step 3: Cross multiply
   1,559.10x = 2,151.48 × 1,036.08
4. Step 4: Simplify right side
   1,559.10x = 2,229,105.40
5. Step 5: Solve for x
   x = 2,229,105.40/1,559.10
6. Step 6: Final answer
   x = 1,429.74