Finding the Fourth Proportional to 1,853.10, 2,775.60 and 1,610.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.10 : 2,775.60 = 1,610.10 : x
2. Step 2: Convert to fraction form
   1,853.10/2,775.60 = 1,610.10/x
3. Step 3: Cross multiply
   1,853.10x = 2,775.60 × 1,610.10
4. Step 4: Simplify right side
   1,853.10x = 4,468,993.56
5. Step 5: Solve for x
   x = 4,468,993.56/1,853.10
6. Step 6: Final answer
   x = 2,411.63