Finding the Fourth Proportional to 1,810.73, 2,713.25 and 1,079.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.73 : 2,713.25 = 1,079.90 : x
2. Step 2: Convert to fraction form
   1,810.73/2,713.25 = 1,079.90/x
3. Step 3: Cross multiply
   1,810.73x = 2,713.25 × 1,079.90
4. Step 4: Simplify right side
   1,810.73x = 2,930,019.71
5. Step 5: Solve for x
   x = 2,930,019.71/1,810.73
6. Step 6: Final answer
   x = 1,618.15