Finding the Fourth Proportional to 1,916.73, 2,875.12 and 1,050.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.73 : 2,875.12 = 1,050.57 : x
2. Step 2: Convert to fraction form
   1,916.73/2,875.12 = 1,050.57/x
3. Step 3: Cross multiply
   1,916.73x = 2,875.12 × 1,050.57
4. Step 4: Simplify right side
   1,916.73x = 3,020,514.82
5. Step 5: Solve for x
   x = 3,020,514.82/1,916.73
6. Step 6: Final answer
   x = 1,575.87