Finding the Fourth Proportional to 3,786.48, 5,637.06 and 3,768.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786.48 : 5,637.06 = 3,768.12 : x
2. Step 2: Convert to fraction form
   3,786.48/5,637.06 = 3,768.12/x
3. Step 3: Cross multiply
   3,786.48x = 5,637.06 × 3,768.12
4. Step 4: Simplify right side
   3,786.48x = 21,241,118.53
5. Step 5: Solve for x
   x = 21,241,118.53/3,786.48
6. Step 6: Final answer
   x = 5,609.73