Finding the Fourth Proportional to 2,940.90, 4,059.72 and 1,944.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.90 : 4,059.72 = 1,944.42 : x
2. Step 2: Convert to fraction form
   2,940.90/4,059.72 = 1,944.42/x
3. Step 3: Cross multiply
   2,940.90x = 4,059.72 × 1,944.42
4. Step 4: Simplify right side
   2,940.90x = 7,893,800.76
5. Step 5: Solve for x
   x = 7,893,800.76/2,940.90
6. Step 6: Final answer
   x = 2,684.14