Finding the Fourth Proportional to 2,039.82, 2,816.15 and 1,479.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.82 : 2,816.15 = 1,479.75 : x
2. Step 2: Convert to fraction form
   2,039.82/2,816.15 = 1,479.75/x
3. Step 3: Cross multiply
   2,039.82x = 2,816.15 × 1,479.75
4. Step 4: Simplify right side
   2,039.82x = 4,167,190.56
5. Step 5: Solve for x
   x = 4,167,190.56/2,039.82
6. Step 6: Final answer
   x = 2,042.92