Finding the Fourth Proportional to 2,109.24, 3,165.30 and 1,244.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.24 : 3,165.30 = 1,244.76 : x
2. Step 2: Convert to fraction form
   2,109.24/3,165.30 = 1,244.76/x
3. Step 3: Cross multiply
   2,109.24x = 3,165.30 × 1,244.76
4. Step 4: Simplify right side
   2,109.24x = 3,940,038.83
5. Step 5: Solve for x
   x = 3,940,038.83/2,109.24
6. Step 6: Final answer
   x = 1,867.99