Finding the Fourth Proportional to 2,027.56, 3,039.72 and 874.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,027.56 : 3,039.72 = 874.12 : x
2. Step 2: Convert to fraction form
   2,027.56/3,039.72 = 874.12/x
3. Step 3: Cross multiply
   2,027.56x = 3,039.72 × 874.12
4. Step 4: Simplify right side
   2,027.56x = 2,657,080.05
5. Step 5: Solve for x
   x = 2,657,080.05/2,027.56
6. Step 6: Final answer
   x = 1,310.48