Finding the Fourth Proportional to 2,943.40, 4,411.82 and 1,210.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.40 : 4,411.82 = 1,210.52 : x
2. Step 2: Convert to fraction form
   2,943.40/4,411.82 = 1,210.52/x
3. Step 3: Cross multiply
   2,943.40x = 4,411.82 × 1,210.52
4. Step 4: Simplify right side
   2,943.40x = 5,340,596.35
5. Step 5: Solve for x
   x = 5,340,596.35/2,943.40
6. Step 6: Final answer
   x = 1,814.43