Finding the Fourth Proportional to 1,981.69, 2,735.09 and 1,273.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.69 : 2,735.09 = 1,273.75 : x
2. Step 2: Convert to fraction form
   1,981.69/2,735.09 = 1,273.75/x
3. Step 3: Cross multiply
   1,981.69x = 2,735.09 × 1,273.75
4. Step 4: Simplify right side
   1,981.69x = 3,483,812.46
5. Step 5: Solve for x
   x = 3,483,812.46/1,981.69
6. Step 6: Final answer
   x = 1,758.00