Finding the Fourth Proportional to 2,649.51, 3,971.16 and 1,479.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.51 : 3,971.16 = 1,479.24 : x
2. Step 2: Convert to fraction form
   2,649.51/3,971.16 = 1,479.24/x
3. Step 3: Cross multiply
   2,649.51x = 3,971.16 × 1,479.24
4. Step 4: Simplify right side
   2,649.51x = 5,874,298.72
5. Step 5: Solve for x
   x = 5,874,298.72/2,649.51
6. Step 6: Final answer
   x = 2,217.13