Finding the Fourth Proportional to 5,174.30, 7,139.59 and 2,936.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,174.30 : 7,139.59 = 2,936.27 : x
2. Step 2: Convert to fraction form
   5,174.30/7,139.59 = 2,936.27/x
3. Step 3: Cross multiply
   5,174.30x = 7,139.59 × 2,936.27
4. Step 4: Simplify right side
   5,174.30x = 20,963,720.89
5. Step 5: Solve for x
   x = 20,963,720.89/5,174.30
6. Step 6: Final answer
   x = 4,051.51