Finding the Fourth Proportional to 2,176.05, 3,261.31 and 1,019.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.05 : 3,261.31 = 1,019.25 : x
2. Step 2: Convert to fraction form
   2,176.05/3,261.31 = 1,019.25/x
3. Step 3: Cross multiply
   2,176.05x = 3,261.31 × 1,019.25
4. Step 4: Simplify right side
   2,176.05x = 3,324,090.22
5. Step 5: Solve for x
   x = 3,324,090.22/2,176.05
6. Step 6: Final answer
   x = 1,527.58