Finding the Fourth Proportional to 2,111.76, 3,166.44 and 1,767.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.76 : 3,166.44 = 1,767.24 : x
2. Step 2: Convert to fraction form
   2,111.76/3,166.44 = 1,767.24/x
3. Step 3: Cross multiply
   2,111.76x = 3,166.44 × 1,767.24
4. Step 4: Simplify right side
   2,111.76x = 5,595,859.43
5. Step 5: Solve for x
   x = 5,595,859.43/2,111.76
6. Step 6: Final answer
   x = 2,649.86