Finding the Fourth Proportional to 2,696.91, 3,720.50 and 1,949.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.91 : 3,720.50 = 1,949.69 : x
2. Step 2: Convert to fraction form
   2,696.91/3,720.50 = 1,949.69/x
3. Step 3: Cross multiply
   2,696.91x = 3,720.50 × 1,949.69
4. Step 4: Simplify right side
   2,696.91x = 7,253,793.29
5. Step 5: Solve for x
   x = 7,253,793.29/2,696.91
6. Step 6: Final answer
   x = 2,689.67