Finding the Fourth Proportional to 1,916.75, 2,870.49 and 1,092.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.75 : 2,870.49 = 1,092.52 : x
2. Step 2: Convert to fraction form
   1,916.75/2,870.49 = 1,092.52/x
3. Step 3: Cross multiply
   1,916.75x = 2,870.49 × 1,092.52
4. Step 4: Simplify right side
   1,916.75x = 3,136,067.73
5. Step 5: Solve for x
   x = 3,136,067.73/1,916.75
6. Step 6: Final answer
   x = 1,636.14