Finding the Fourth Proportional to 2,796, 3,861.72 and 1,910.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796 : 3,861.72 = 1,910.27 : x
2. Step 2: Convert to fraction form
   2,796/3,861.72 = 1,910.27/x
3. Step 3: Cross multiply
   2,796x = 3,861.72 × 1,910.27
4. Step 4: Simplify right side
   2,796x = 7,376,908.56
5. Step 5: Solve for x
   x = 7,376,908.56/2,796
6. Step 6: Final answer
   x = 2,638.38