Finding the Fourth Proportional to 3,846.55, 5,273.62 and 3,776.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.55 : 5,273.62 = 3,776.49 : x
2. Step 2: Convert to fraction form
   3,846.55/5,273.62 = 3,776.49/x
3. Step 3: Cross multiply
   3,846.55x = 5,273.62 × 3,776.49
4. Step 4: Simplify right side
   3,846.55x = 19,915,773.19
5. Step 5: Solve for x
   x = 19,915,773.19/3,846.55
6. Step 6: Final answer
   x = 5,177.57