Finding the Fourth Proportional to 2,940.12, 4,404.48 and 2,322.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.12 : 4,404.48 = 2,322.90 : x
2. Step 2: Convert to fraction form
   2,940.12/4,404.48 = 2,322.90/x
3. Step 3: Cross multiply
   2,940.12x = 4,404.48 × 2,322.90
4. Step 4: Simplify right side
   2,940.12x = 10,231,166.59
5. Step 5: Solve for x
   x = 10,231,166.59/2,940.12
6. Step 6: Final answer
   x = 3,479.85