Finding the Fourth Proportional to 2,215.92, 3,056.24 and 1,885.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.92 : 3,056.24 = 1,885.44 : x
2. Step 2: Convert to fraction form
   2,215.92/3,056.24 = 1,885.44/x
3. Step 3: Cross multiply
   2,215.92x = 3,056.24 × 1,885.44
4. Step 4: Simplify right side
   2,215.92x = 5,762,357.15
5. Step 5: Solve for x
   x = 5,762,357.15/2,215.92
6. Step 6: Final answer
   x = 2,600.44