Finding the Fourth Proportional to 3,436.78, 4,752.06 and 3,381.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.78 : 4,752.06 = 3,381.18 : x
2. Step 2: Convert to fraction form
   3,436.78/4,752.06 = 3,381.18/x
3. Step 3: Cross multiply
   3,436.78x = 4,752.06 × 3,381.18
4. Step 4: Simplify right side
   3,436.78x = 16,067,570.23
5. Step 5: Solve for x
   x = 16,067,570.23/3,436.78
6. Step 6: Final answer
   x = 4,675.18