Finding the Fourth Proportional to 1,969.63, 2,718.01 and 1,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.63 : 2,718.01 = 1,085.38 : x
2. Step 2: Convert to fraction form
   1,969.63/2,718.01 = 1,085.38/x
3. Step 3: Cross multiply
   1,969.63x = 2,718.01 × 1,085.38
4. Step 4: Simplify right side
   1,969.63x = 2,950,073.69
5. Step 5: Solve for x
   x = 2,950,073.69/1,969.63
6. Step 6: Final answer
   x = 1,497.78