Finding the Fourth Proportional to 2,891.61, 4,336.43 and 943.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891.61 : 4,336.43 = 943.37 : x
2. Step 2: Convert to fraction form
   2,891.61/4,336.43 = 943.37/x
3. Step 3: Cross multiply
   2,891.61x = 4,336.43 × 943.37
4. Step 4: Simplify right side
   2,891.61x = 4,090,831.57
5. Step 5: Solve for x
   x = 4,090,831.57/2,891.61
6. Step 6: Final answer
   x = 1,414.72