Finding the Fourth Proportional to 1,969.98, 2,718.60 and 1,085.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.98 : 2,718.60 = 1,085.82 : x
2. Step 2: Convert to fraction form
   1,969.98/2,718.60 = 1,085.82/x
3. Step 3: Cross multiply
   1,969.98x = 2,718.60 × 1,085.82
4. Step 4: Simplify right side
   1,969.98x = 2,951,910.25
5. Step 5: Solve for x
   x = 2,951,910.25/1,969.98
6. Step 6: Final answer
   x = 1,498.45