Finding the Fourth Proportional to 2,479.70, 3,422.16 and 1,485.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.70 : 3,422.16 = 1,485.56 : x
2. Step 2: Convert to fraction form
   2,479.70/3,422.16 = 1,485.56/x
3. Step 3: Cross multiply
   2,479.70x = 3,422.16 × 1,485.56
4. Step 4: Simplify right side
   2,479.70x = 5,083,824.01
5. Step 5: Solve for x
   x = 5,083,824.01/2,479.70
6. Step 6: Final answer
   x = 2,050.18