Finding the Fourth Proportional to 3,875.69, 5,775.03 and 3,687.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.69 : 5,775.03 = 3,687.41 : x
2. Step 2: Convert to fraction form
   3,875.69/5,775.03 = 3,687.41/x
3. Step 3: Cross multiply
   3,875.69x = 5,775.03 × 3,687.41
4. Step 4: Simplify right side
   3,875.69x = 21,294,874.50
5. Step 5: Solve for x
   x = 21,294,874.50/3,875.69
6. Step 6: Final answer
   x = 5,494.48