Finding the Fourth Proportional to 2,512.69, 3,769.01 and 1,479.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,512.69 : 3,769.01 = 1,479.87 : x
2. Step 2: Convert to fraction form
   2,512.69/3,769.01 = 1,479.87/x
3. Step 3: Cross multiply
   2,512.69x = 3,769.01 × 1,479.87
4. Step 4: Simplify right side
   2,512.69x = 5,577,644.83
5. Step 5: Solve for x
   x = 5,577,644.83/2,512.69
6. Step 6: Final answer
   x = 2,219.79