Finding the Fourth Proportional to 1,810.81, 2,499.29 and 1,025.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.81 : 2,499.29 = 1,025.11 : x
2. Step 2: Convert to fraction form
   1,810.81/2,499.29 = 1,025.11/x
3. Step 3: Cross multiply
   1,810.81x = 2,499.29 × 1,025.11
4. Step 4: Simplify right side
   1,810.81x = 2,562,047.17
5. Step 5: Solve for x
   x = 2,562,047.17/1,810.81
6. Step 6: Final answer
   x = 1,414.86