Finding the Fourth Proportional to 2,840.86, 3,919.27 and 2,096.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840.86 : 3,919.27 = 2,096.61 : x
2. Step 2: Convert to fraction form
   2,840.86/3,919.27 = 2,096.61/x
3. Step 3: Cross multiply
   2,840.86x = 3,919.27 × 2,096.61
4. Step 4: Simplify right side
   2,840.86x = 8,217,180.67
5. Step 5: Solve for x
   x = 8,217,180.67/2,840.86
6. Step 6: Final answer
   x = 2,892.50