Finding the Fourth Proportional to 1,810.70, 2,499.18 and 1,025

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.70 : 2,499.18 = 1,025 : x
2. Step 2: Convert to fraction form
   1,810.70/2,499.18 = 1,025/x
3. Step 3: Cross multiply
   1,810.70x = 2,499.18 × 1,025
4. Step 4: Simplify right side
   1,810.70x = 2,561,659.50
5. Step 5: Solve for x
   x = 2,561,659.50/1,810.70
6. Step 6: Final answer
   x = 1,414.73