Finding the Fourth Proportional to 2,940.69, 4,412.58 and 1,298.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.69 : 4,412.58 = 1,298.37 : x
2. Step 2: Convert to fraction form
   2,940.69/4,412.58 = 1,298.37/x
3. Step 3: Cross multiply
   2,940.69x = 4,412.58 × 1,298.37
4. Step 4: Simplify right side
   2,940.69x = 5,729,132.94
5. Step 5: Solve for x
   x = 5,729,132.94/2,940.69
6. Step 6: Final answer
   x = 1,948.23