Finding the Fourth Proportional to 2,886.34, 3,978.90 and 2,044.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.34 : 3,978.90 = 2,044.43 : x
2. Step 2: Convert to fraction form
   2,886.34/3,978.90 = 2,044.43/x
3. Step 3: Cross multiply
   2,886.34x = 3,978.90 × 2,044.43
4. Step 4: Simplify right side
   2,886.34x = 8,134,582.53
5. Step 5: Solve for x
   x = 8,134,582.53/2,886.34
6. Step 6: Final answer
   x = 2,818.31