Finding the Fourth Proportional to 3,943.91, 5,906.86 and 3,059.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.91 : 5,906.86 = 3,059.33 : x
2. Step 2: Convert to fraction form
   3,943.91/5,906.86 = 3,059.33/x
3. Step 3: Cross multiply
   3,943.91x = 5,906.86 × 3,059.33
4. Step 4: Simplify right side
   3,943.91x = 18,070,996.82
5. Step 5: Solve for x
   x = 18,070,996.82/3,943.91
6. Step 6: Final answer
   x = 4,582.00