Finding the Fourth Proportional to 2,120.54, 3,181.62 and 1,024.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.54 : 3,181.62 = 1,024.82 : x
2. Step 2: Convert to fraction form
   2,120.54/3,181.62 = 1,024.82/x
3. Step 3: Cross multiply
   2,120.54x = 3,181.62 × 1,024.82
4. Step 4: Simplify right side
   2,120.54x = 3,260,571.90
5. Step 5: Solve for x
   x = 3,260,571.90/2,120.54
6. Step 6: Final answer
   x = 1,537.62