Finding the Fourth Proportional to 3,362.72, 5,040.34 and 2,538.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,362.72 : 5,040.34 = 2,538.32 : x
2. Step 2: Convert to fraction form
   3,362.72/5,040.34 = 2,538.32/x
3. Step 3: Cross multiply
   3,362.72x = 5,040.34 × 2,538.32
4. Step 4: Simplify right side
   3,362.72x = 12,793,995.83
5. Step 5: Solve for x
   x = 12,793,995.83/3,362.72
6. Step 6: Final answer
   x = 3,804.66