Finding the Fourth Proportional to 1,916.86, 2,873.77 and 1,763.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.86 : 2,873.77 = 1,763.10 : x
2. Step 2: Convert to fraction form
   1,916.86/2,873.77 = 1,763.10/x
3. Step 3: Cross multiply
   1,916.86x = 2,873.77 × 1,763.10
4. Step 4: Simplify right side
   1,916.86x = 5,066,743.89
5. Step 5: Solve for x
   x = 5,066,743.89/1,916.86
6. Step 6: Final answer
   x = 2,643.25