Finding the Fourth Proportional to 1,855.18, 2,561.12 and 1,260.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.18 : 2,561.12 = 1,260.82 : x
2. Step 2: Convert to fraction form
   1,855.18/2,561.12 = 1,260.82/x
3. Step 3: Cross multiply
   1,855.18x = 2,561.12 × 1,260.82
4. Step 4: Simplify right side
   1,855.18x = 3,229,098.54
5. Step 5: Solve for x
   x = 3,229,098.54/1,855.18
6. Step 6: Final answer
   x = 1,740.59