Finding the Fourth Proportional to 2,039.32, 2,815.46 and 1,479.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.32 : 2,815.46 = 1,479.25 : x
2. Step 2: Convert to fraction form
   2,039.32/2,815.46 = 1,479.25/x
3. Step 3: Cross multiply
   2,039.32x = 2,815.46 × 1,479.25
4. Step 4: Simplify right side
   2,039.32x = 4,164,761.81
5. Step 5: Solve for x
   x = 4,164,761.81/2,039.32
6. Step 6: Final answer
   x = 2,042.23