Finding the Fourth Proportional to 2,103.49, 2,905.75 and 1,992.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.49 : 2,905.75 = 1,992.77 : x
2. Step 2: Convert to fraction form
   2,103.49/2,905.75 = 1,992.77/x
3. Step 3: Cross multiply
   2,103.49x = 2,905.75 × 1,992.77
4. Step 4: Simplify right side
   2,103.49x = 5,790,491.43
5. Step 5: Solve for x
   x = 5,790,491.43/2,103.49
6. Step 6: Final answer
   x = 2,752.81