Finding the Fourth Proportional to 3,449.16, 4,760.92 and 2,124.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,449.16 : 4,760.92 = 2,124.80 : x
2. Step 2: Convert to fraction form
   3,449.16/4,760.92 = 2,124.80/x
3. Step 3: Cross multiply
   3,449.16x = 4,760.92 × 2,124.80
4. Step 4: Simplify right side
   3,449.16x = 10,116,002.82
5. Step 5: Solve for x
   x = 10,116,002.82/3,449.16
6. Step 6: Final answer
   x = 2,932.89