Finding the Fourth Proportional to 1,969.95, 2,718.50 and 1,085.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.95 : 2,718.50 = 1,085.73 : x
2. Step 2: Convert to fraction form
   1,969.95/2,718.50 = 1,085.73/x
3. Step 3: Cross multiply
   1,969.95x = 2,718.50 × 1,085.73
4. Step 4: Simplify right side
   1,969.95x = 2,951,551.58
5. Step 5: Solve for x
   x = 2,951,551.58/1,969.95
6. Step 6: Final answer
   x = 1,498.29