Finding the Fourth Proportional to 1,359.56, 1,876.74 and 1,028.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.56 : 1,876.74 = 1,028.06 : x
2. Step 2: Convert to fraction form
   1,359.56/1,876.74 = 1,028.06/x
3. Step 3: Cross multiply
   1,359.56x = 1,876.74 × 1,028.06
4. Step 4: Simplify right side
   1,359.56x = 1,929,401.32
5. Step 5: Solve for x
   x = 1,929,401.32/1,359.56
6. Step 6: Final answer
   x = 1,419.14