Finding the Fourth Proportional to 1,811.05, 2,499.46 and 1,025.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.05 : 2,499.46 = 1,025.10 : x
2. Step 2: Convert to fraction form
   1,811.05/2,499.46 = 1,025.10/x
3. Step 3: Cross multiply
   1,811.05x = 2,499.46 × 1,025.10
4. Step 4: Simplify right side
   1,811.05x = 2,562,193.88
5. Step 5: Solve for x
   x = 2,562,193.88/1,811.05
6. Step 6: Final answer
   x = 1,414.76