Finding the Fourth Proportional to 1,811.06, 2,499.31 and 1,025.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.06 : 2,499.31 = 1,025.16 : x
2. Step 2: Convert to fraction form
   1,811.06/2,499.31 = 1,025.16/x
3. Step 3: Cross multiply
   1,811.06x = 2,499.31 × 1,025.16
4. Step 4: Simplify right side
   1,811.06x = 2,562,178.78
5. Step 5: Solve for x
   x = 2,562,178.78/1,811.06
6. Step 6: Final answer
   x = 1,414.74