Finding the Fourth Proportional to 2,951.40, 4,423.82 and 1,218.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.40 : 4,423.82 = 1,218.52 : x
2. Step 2: Convert to fraction form
   2,951.40/4,423.82 = 1,218.52/x
3. Step 3: Cross multiply
   2,951.40x = 4,423.82 × 1,218.52
4. Step 4: Simplify right side
   2,951.40x = 5,390,513.15
5. Step 5: Solve for x
   x = 5,390,513.15/2,951.40
6. Step 6: Final answer
   x = 1,826.43