Finding the Fourth Proportional to 3,776.41, 5,661.88 and 1,903.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.41 : 5,661.88 = 1,903.46 : x
2. Step 2: Convert to fraction form
   3,776.41/5,661.88 = 1,903.46/x
3. Step 3: Cross multiply
   3,776.41x = 5,661.88 × 1,903.46
4. Step 4: Simplify right side
   3,776.41x = 10,777,162.10
5. Step 5: Solve for x
   x = 10,777,162.10/3,776.41
6. Step 6: Final answer
   x = 2,853.81