Finding the Fourth Proportional to 2,814.22, 4,216.94 and 2,520.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.22 : 4,216.94 = 2,520.12 : x
2. Step 2: Convert to fraction form
   2,814.22/4,216.94 = 2,520.12/x
3. Step 3: Cross multiply
   2,814.22x = 4,216.94 × 2,520.12
4. Step 4: Simplify right side
   2,814.22x = 10,627,194.83
5. Step 5: Solve for x
   x = 10,627,194.83/2,814.22
6. Step 6: Final answer
   x = 3,776.25