Finding the Fourth Proportional to 3,940.90, 5,914.59 and 2,793.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.90 : 5,914.59 = 2,793.94 : x
2. Step 2: Convert to fraction form
   3,940.90/5,914.59 = 2,793.94/x
3. Step 3: Cross multiply
   3,940.90x = 5,914.59 × 2,793.94
4. Step 4: Simplify right side
   3,940.90x = 16,525,009.58
5. Step 5: Solve for x
   x = 16,525,009.58/3,940.90
6. Step 6: Final answer
   x = 4,193.21