Finding the Fourth Proportional to 2,216.89, 3,326.82 and 1,395.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.89 : 3,326.82 = 1,395.73 : x
2. Step 2: Convert to fraction form
   2,216.89/3,326.82 = 1,395.73/x
3. Step 3: Cross multiply
   2,216.89x = 3,326.82 × 1,395.73
4. Step 4: Simplify right side
   2,216.89x = 4,643,342.48
5. Step 5: Solve for x
   x = 4,643,342.48/2,216.89
6. Step 6: Final answer
   x = 2,094.53