Finding the Fourth Proportional to 2,927.82, 4,393.94 and 2,149.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,927.82 : 4,393.94 = 2,149.86 : x
2. Step 2: Convert to fraction form
   2,927.82/4,393.94 = 2,149.86/x
3. Step 3: Cross multiply
   2,927.82x = 4,393.94 × 2,149.86
4. Step 4: Simplify right side
   2,927.82x = 9,446,345.10
5. Step 5: Solve for x
   x = 9,446,345.10/2,927.82
6. Step 6: Final answer
   x = 3,226.41