Finding the Fourth Proportional to 3,801.81, 5,242.41 and 3,300.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801.81 : 5,242.41 = 3,300.15 : x
2. Step 2: Convert to fraction form
   3,801.81/5,242.41 = 3,300.15/x
3. Step 3: Cross multiply
   3,801.81x = 5,242.41 × 3,300.15
4. Step 4: Simplify right side
   3,801.81x = 17,300,739.36
5. Step 5: Solve for x
   x = 17,300,739.36/3,801.81
6. Step 6: Final answer
   x = 4,550.66