Finding the Fourth Proportional to 2,943.39, 4,416.24 and 1,298.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.39 : 4,416.24 = 1,298.79 : x
2. Step 2: Convert to fraction form
   2,943.39/4,416.24 = 1,298.79/x
3. Step 3: Cross multiply
   2,943.39x = 4,416.24 × 1,298.79
4. Step 4: Simplify right side
   2,943.39x = 5,735,768.35
5. Step 5: Solve for x
   x = 5,735,768.35/2,943.39
6. Step 6: Final answer
   x = 1,948.69