Finding the Fourth Proportional to 3,392.72, 5,058.94 and 3,386.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.72 : 5,058.94 = 3,386.48 : x
2. Step 2: Convert to fraction form
   3,392.72/5,058.94 = 3,386.48/x
3. Step 3: Cross multiply
   3,392.72x = 5,058.94 × 3,386.48
4. Step 4: Simplify right side
   3,392.72x = 17,131,999.13
5. Step 5: Solve for x
   x = 17,131,999.13/3,392.72
6. Step 6: Final answer
   x = 5,049.64