Finding the Fourth Proportional to 2,849.32, 3,927.96 and 2,218.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.32 : 3,927.96 = 2,218.72 : x
2. Step 2: Convert to fraction form
   2,849.32/3,927.96 = 2,218.72/x
3. Step 3: Cross multiply
   2,849.32x = 3,927.96 × 2,218.72
4. Step 4: Simplify right side
   2,849.32x = 8,715,043.41
5. Step 5: Solve for x
   x = 8,715,043.41/2,849.32
6. Step 6: Final answer
   x = 3,058.64