Finding the Fourth Proportional to 2,039.31, 3,057.35 and 884.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.31 : 3,057.35 = 884.25 : x
2. Step 2: Convert to fraction form
   2,039.31/3,057.35 = 884.25/x
3. Step 3: Cross multiply
   2,039.31x = 3,057.35 × 884.25
4. Step 4: Simplify right side
   2,039.31x = 2,703,457.32
5. Step 5: Solve for x
   x = 2,703,457.32/2,039.31
6. Step 6: Final answer
   x = 1,325.67