Finding the Fourth Proportional to 5,793.43, 7,994.72 and 3,140.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,793.43 : 7,994.72 = 3,140.79 : x
2. Step 2: Convert to fraction form
   5,793.43/7,994.72 = 3,140.79/x
3. Step 3: Cross multiply
   5,793.43x = 7,994.72 × 3,140.79
4. Step 4: Simplify right side
   5,793.43x = 25,109,736.63
5. Step 5: Solve for x
   x = 25,109,736.63/5,793.43
6. Step 6: Final answer
   x = 4,334.17