Finding the Fourth Proportional to 1,981.91, 2,735.03 and 1,097.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.91 : 2,735.03 = 1,097.69 : x
2. Step 2: Convert to fraction form
   1,981.91/2,735.03 = 1,097.69/x
3. Step 3: Cross multiply
   1,981.91x = 2,735.03 × 1,097.69
4. Step 4: Simplify right side
   1,981.91x = 3,002,195.92
5. Step 5: Solve for x
   x = 3,002,195.92/1,981.91
6. Step 6: Final answer
   x = 1,514.80