Finding the Fourth Proportional to 5,741.27, 7,904.83 and 5,215.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,741.27 : 7,904.83 = 5,215.74 : x
2. Step 2: Convert to fraction form
   5,741.27/7,904.83 = 5,215.74/x
3. Step 3: Cross multiply
   5,741.27x = 7,904.83 × 5,215.74
4. Step 4: Simplify right side
   5,741.27x = 41,229,542.25
5. Step 5: Solve for x
   x = 41,229,542.25/5,741.27
6. Step 6: Final answer
   x = 7,181.26