Finding the Fourth Proportional to 2,691.27, 3,712.95 and 2,061.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.27 : 3,712.95 = 2,061.15 : x
2. Step 2: Convert to fraction form
   2,691.27/3,712.95 = 2,061.15/x
3. Step 3: Cross multiply
   2,691.27x = 3,712.95 × 2,061.15
4. Step 4: Simplify right side
   2,691.27x = 7,652,946.89
5. Step 5: Solve for x
   x = 7,652,946.89/2,691.27
6. Step 6: Final answer
   x = 2,843.62