Finding the Fourth Proportional to 2,943.73, 4,384.16 and 2,909.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.73 : 4,384.16 = 2,909.71 : x
2. Step 2: Convert to fraction form
   2,943.73/4,384.16 = 2,909.71/x
3. Step 3: Cross multiply
   2,943.73x = 4,384.16 × 2,909.71
4. Step 4: Simplify right side
   2,943.73x = 12,756,612.27
5. Step 5: Solve for x
   x = 12,756,612.27/2,943.73
6. Step 6: Final answer
   x = 4,333.49