Finding the Fourth Proportional to 2,814.24, 3,884.72 and 2,518.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.24 : 3,884.72 = 2,518.96 : x
2. Step 2: Convert to fraction form
   2,814.24/3,884.72 = 2,518.96/x
3. Step 3: Cross multiply
   2,814.24x = 3,884.72 × 2,518.96
4. Step 4: Simplify right side
   2,814.24x = 9,785,454.29
5. Step 5: Solve for x
   x = 9,785,454.29/2,814.24
6. Step 6: Final answer
   x = 3,477.12