Finding the Fourth Proportional to 3,747.81, 5,134.43 and 3,607.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.81 : 5,134.43 = 3,607.59 : x
2. Step 2: Convert to fraction form
   3,747.81/5,134.43 = 3,607.59/x
3. Step 3: Cross multiply
   3,747.81x = 5,134.43 × 3,607.59
4. Step 4: Simplify right side
   3,747.81x = 18,522,918.32
5. Step 5: Solve for x
   x = 18,522,918.32/3,747.81
6. Step 6: Final answer
   x = 4,942.33