Finding the Fourth Proportional to 5,153.57, 7,109.21 and 3,662.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,153.57 : 7,109.21 = 3,662.09 : x
2. Step 2: Convert to fraction form
   5,153.57/7,109.21 = 3,662.09/x
3. Step 3: Cross multiply
   5,153.57x = 7,109.21 × 3,662.09
4. Step 4: Simplify right side
   5,153.57x = 26,034,548.54
5. Step 5: Solve for x
   x = 26,034,548.54/5,153.57
6. Step 6: Final answer
   x = 5,051.75