Finding the Fourth Proportional to 5,936.80, 8,190.72 and 3,697.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,936.80 : 8,190.72 = 3,697.36 : x
2. Step 2: Convert to fraction form
   5,936.80/8,190.72 = 3,697.36/x
3. Step 3: Cross multiply
   5,936.80x = 8,190.72 × 3,697.36
4. Step 4: Simplify right side
   5,936.80x = 30,284,040.50
5. Step 5: Solve for x
   x = 30,284,040.50/5,936.80
6. Step 6: Final answer
   x = 5,101.07