Finding the Fourth Proportional to 1,981.97, 2,735.15 and 1,097.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.97 : 2,735.15 = 1,097.81 : x
2. Step 2: Convert to fraction form
   1,981.97/2,735.15 = 1,097.81/x
3. Step 3: Cross multiply
   1,981.97x = 2,735.15 × 1,097.81
4. Step 4: Simplify right side
   1,981.97x = 3,002,675.02
5. Step 5: Solve for x
   x = 3,002,675.02/1,981.97
6. Step 6: Final answer
   x = 1,515.00