Finding the Fourth Proportional to 2,175.55, 3,260.56 and 1,018.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.55 : 3,260.56 = 1,018.75 : x
2. Step 2: Convert to fraction form
   2,175.55/3,260.56 = 1,018.75/x
3. Step 3: Cross multiply
   2,175.55x = 3,260.56 × 1,018.75
4. Step 4: Simplify right side
   2,175.55x = 3,321,695.50
5. Step 5: Solve for x
   x = 3,321,695.50/2,175.55
6. Step 6: Final answer
   x = 1,526.83