Finding the Fourth Proportional to 5,741.49, 8,615.52 and 3,109.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,741.49 : 8,615.52 = 3,109.05 : x
2. Step 2: Convert to fraction form
   5,741.49/8,615.52 = 3,109.05/x
3. Step 3: Cross multiply
   5,741.49x = 8,615.52 × 3,109.05
4. Step 4: Simplify right side
   5,741.49x = 26,786,082.46
5. Step 5: Solve for x
   x = 26,786,082.46/5,741.49
6. Step 6: Final answer
   x = 4,665.35