Finding the Fourth Proportional to 4,456.12, 6,138.72 and 3,747.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,456.12 : 6,138.72 = 3,747.98 : x
2. Step 2: Convert to fraction form
   4,456.12/6,138.72 = 3,747.98/x
3. Step 3: Cross multiply
   4,456.12x = 6,138.72 × 3,747.98
4. Step 4: Simplify right side
   4,456.12x = 23,007,780.60
5. Step 5: Solve for x
   x = 23,007,780.60/4,456.12
6. Step 6: Final answer
   x = 5,163.19