Finding the Fourth Proportional to 2,109.16, 3,155.10 and 1,763.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.16 : 3,155.10 = 1,763.56 : x
2. Step 2: Convert to fraction form
   2,109.16/3,155.10 = 1,763.56/x
3. Step 3: Cross multiply
   2,109.16x = 3,155.10 × 1,763.56
4. Step 4: Simplify right side
   2,109.16x = 5,564,208.16
5. Step 5: Solve for x
   x = 5,564,208.16/2,109.16
6. Step 6: Final answer
   x = 2,638.12