Finding the Fourth Proportional to 2,108.24, 2,905.96 and 1,855.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.24 : 2,905.96 = 1,855.52 : x
2. Step 2: Convert to fraction form
   2,108.24/2,905.96 = 1,855.52/x
3. Step 3: Cross multiply
   2,108.24x = 2,905.96 × 1,855.52
4. Step 4: Simplify right side
   2,108.24x = 5,392,066.90
5. Step 5: Solve for x
   x = 5,392,066.90/2,108.24
6. Step 6: Final answer
   x = 2,557.62