Finding the Fourth Proportional to 2,479.86, 3,720.47 and 2,016.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.86 : 3,720.47 = 2,016.49 : x
2. Step 2: Convert to fraction form
   2,479.86/3,720.47 = 2,016.49/x
3. Step 3: Cross multiply
   2,479.86x = 3,720.47 × 2,016.49
4. Step 4: Simplify right side
   2,479.86x = 7,502,290.55
5. Step 5: Solve for x
   x = 7,502,290.55/2,479.86
6. Step 6: Final answer
   x = 3,025.29