Finding the Fourth Proportional to 5,153.82, 7,109.91 and 3,057.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,153.82 : 7,109.91 = 3,057.18 : x
2. Step 2: Convert to fraction form
   5,153.82/7,109.91 = 3,057.18/x
3. Step 3: Cross multiply
   5,153.82x = 7,109.91 × 3,057.18
4. Step 4: Simplify right side
   5,153.82x = 21,736,274.65
5. Step 5: Solve for x
   x = 21,736,274.65/5,153.82
6. Step 6: Final answer
   x = 4,217.51