Finding the Fourth Proportional to 3,544.51, 4,870.89 and 3,381.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,544.51 : 4,870.89 = 3,381.90 : x
2. Step 2: Convert to fraction form
   3,544.51/4,870.89 = 3,381.90/x
3. Step 3: Cross multiply
   3,544.51x = 4,870.89 × 3,381.90
4. Step 4: Simplify right side
   3,544.51x = 16,472,862.89
5. Step 5: Solve for x
   x = 16,472,862.89/3,544.51
6. Step 6: Final answer
   x = 4,647.43