Finding the Fourth Proportional to 2,039.49, 2,814.50 and 1,107.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.49 : 2,814.50 = 1,107.99 : x
2. Step 2: Convert to fraction form
   2,039.49/2,814.50 = 1,107.99/x
3. Step 3: Cross multiply
   2,039.49x = 2,814.50 × 1,107.99
4. Step 4: Simplify right side
   2,039.49x = 3,118,437.86
5. Step 5: Solve for x
   x = 3,118,437.86/2,039.49
6. Step 6: Final answer
   x = 1,529.03