Finding the Fourth Proportional to 3,514.24, 4,848.80 and 2,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,514.24 : 4,848.80 = 2,116.72 : x
2. Step 2: Convert to fraction form
   3,514.24/4,848.80 = 2,116.72/x
3. Step 3: Cross multiply
   3,514.24x = 4,848.80 × 2,116.72
4. Step 4: Simplify right side
   3,514.24x = 10,263,551.94
5. Step 5: Solve for x
   x = 10,263,551.94/3,514.24
6. Step 6: Final answer
   x = 2,920.56