Finding the Fourth Proportional to 1,806.91, 2,493.52 and 1,020.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.91 : 2,493.52 = 1,020.94 : x
2. Step 2: Convert to fraction form
   1,806.91/2,493.52 = 1,020.94/x
3. Step 3: Cross multiply
   1,806.91x = 2,493.52 × 1,020.94
4. Step 4: Simplify right side
   1,806.91x = 2,545,725.52
5. Step 5: Solve for x
   x = 2,545,725.52/1,806.91
6. Step 6: Final answer
   x = 1,408.89