Finding the Fourth Proportional to 5,618.07, 7,744.73 and 3,934.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,618.07 : 7,744.73 = 3,934.17 : x
2. Step 2: Convert to fraction form
   5,618.07/7,744.73 = 3,934.17/x
3. Step 3: Cross multiply
   5,618.07x = 7,744.73 × 3,934.17
4. Step 4: Simplify right side
   5,618.07x = 30,469,064.75
5. Step 5: Solve for x
   x = 30,469,064.75/5,618.07
6. Step 6: Final answer
   x = 5,423.40