Finding the Fourth Proportional to 3,080.82, 4,250.98 and 1,821.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,080.82 : 4,250.98 = 1,821.25 : x
2. Step 2: Convert to fraction form
   3,080.82/4,250.98 = 1,821.25/x
3. Step 3: Cross multiply
   3,080.82x = 4,250.98 × 1,821.25
4. Step 4: Simplify right side
   3,080.82x = 7,742,086.98
5. Step 5: Solve for x
   x = 7,742,086.98/3,080.82
6. Step 6: Final answer
   x = 2,512.99