Finding the Fourth Proportional to 1,810.82, 2,499.54 and 1,065.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.82 : 2,499.54 = 1,065.00 : x
2. Step 2: Convert to fraction form
   1,810.82/2,499.54 = 1,065.00/x
3. Step 3: Cross multiply
   1,810.82x = 2,499.54 × 1,065.00
4. Step 4: Simplify right side
   1,810.82x = 2,662,007.41
5. Step 5: Solve for x
   x = 2,662,007.41/1,810.82
6. Step 6: Final answer
   x = 1,470.05